Friday, September 6, 2019
Philosophy The New Testament Essay Example for Free
Philosophy The New Testament Essay It is a well known fact that the Bible is at the head of the list of the most widely read books in the whole world. Moreover, it seems that with time the Bible only expands its range of influence as this text is being constantly examined by representatives of various religious groups, by historians, by philosophers, and by many other people. In this regard, what makes the Bible such a prolific and unique religious and historical text is its wide scope of significance and various patters of meaning in it which, depending on the employed analytical tools, can contain different messages within the same parts of the text. Let us on the example of the excerpt from the twelfth chapter of the Gospel of Mark in the New Testament try to find out how meaning and significance are encoded in the Biblical texts, and what approaches readers can use to extract messages contained in these writings. The larger context of the chapter with the passage devoted to the question about the resurrection The excerpt that we are about to explain in a systematic way is tentatively called ââ¬Å"The Question about the Resurrectionâ⬠in the book of Kurt Aland ââ¬Å"Synopsis of the Four Gospelsâ⬠. Indeed, this part of the twelfth chapter of the Gospel of Mark is dealing with the question that at first might seem to undermine the very idea of resurrection, and is giving the answer of Jesus Christ to that apparent dilemma. However, before going into the details of the polemics between Christ and Sadducees, it would be helpful to consider the general content of the chapter, so that we could better appreciate the context in which the question about the resurrection is discussed. The excerpt about the resurrection issue is preceded by the mentioning that Jesus had started speaking in parables. In accordance with this, in the first part of the twelfth chapter the parable of the tenants is given, then a famous answer of Christ about paying of taxes to Caesar follows, then goes the question about the resurrection, and before its end the chapter also includes several other important teachings of Christ. What unites all of these sub-parts of the twelfth chapter of the Gospel of Mark is that most of them, including the question about the resurrection, give account of the immediate instances of communication of Christ with people who are integral participants of dialogs, so that their questions and answers shape the way Christ responds and teaches. Meaning conveyed by the form of the passage devoted to the question about the resurrection With this larger context of the twelfth chapter of the Gospel of Mark in mind, we can start the analysis of the excerpt devoted to the issue of the resurrection. The excerpt begins with the description of the provoking behavior of Sadducees, who, similarly to those who just before them had tried to provoke Jesus by asking about payment of taxes to Caesar, compose a sophisticated case against the plausibility of the resurrection. That Sadducees are characterized as those ââ¬Å"who say that there is no resurrectionâ⬠(Mark 12. 8) instantly suggests that their intent in not an honest inquiry, but a hidden desire to disprove the teaching of Jesus. Besides, the strict succession and logical structure of the formulation of their question makes us think that it had been prepared well in advance, maybe even specifically for this encounter with Christ. For example, the question as voiced by Sadducees begins with the phrase: ââ¬Å". . . Teacher, Moses wrote for us that if . . . â⬠(Mark 12. 18). In this way, while formally appealing to the wisdom of Christ as the teacher, Sadducees actually advance their own vision of things, and so, along with Pharisees and Herodians, are on one hand presented as tempters of Christ, and on the other hand may be viewed as representatives of the limited earthly wisdom. This impression is also bolstered by the artificiality of the case of a woman who had married seven brothers, which seems to be a very unlikely occasion, or at least the one extremely rare. Ironically, for the purpose of the argumentation Sadducees might well deal only with the example of two brothers and one wife, so the fact that they went as far as mentioning the seventh brother may be interpreted as bespeaking their blind striving for their self-assertion as intellectually superior to others, including Jesus Christ. In reality, it is exactly this type of arrogance that is often reproached by the Bible, and this part of the passage about the resurrection offers perhaps one of the best instances of such hidden criticism. However, for those who might omit this implicit negative stance towards the arrogance of Sadducees, an open criticism of their quasi-intellectualism voiced by Christ quickly follows. In his answer to Sadducees Christ does not allow them to draw him into the format of the discussion that Sadducees had striven to create to achieve their own aim of confusing Jesus, but rather outright rejects the very premises of their line of argumentation as the ones completely ignorant of the subject of the discussion. In this way, Christ is actually shown by the text to masterfully possess skills of argumentative dialogue as he is able to change the form of the dialogue, which is persuasively shown by the observation later in the text of the twelfth chapter of the Gospel of Mark that says: ââ¬Å". . . And after that no one [including Sadducees] dared to ask him any question. . . â⬠(Mark 12. 34). So, to summarize on this point, the changes in the form of the passage about the resurrection from what starts as an instance of communication presumably controlled by Sadducees into the one ultimately controlled by Christ carries in it the wider meaning directed at the instigation of readers to think by analogy, and to compare the form of the dialog between Sadducees and Christ with other passages in the Bible, and with instances from our everyday life. Significance of the content of the passage devoted to the question about the resurrection Aside from its instructive form, the passage about the resurrection is very important in terms of the significance of its content. In fact, this excerpt is devoted to one of the key notions of the very Christian religion in which the miracle of resurrection serves as the manifestation of the power of God to defeat even death. Therefore, any passage in the Bible that clarifies this conception is significant, not to mention excerpts akin to the one we are examining that directly deal with the matter of the resurrection. In this respect, the peculiarity of the contribution that the twelfth chapter of the Gospel of Mark makes to this issue is not so much that it tells us what is the resurrection, but that it rather provides Chirst`s explanation of what the resurrection is not. In the context of the question of Sadducees, Christ explains that it is wrong to apply to those who are dead the familiar earthly notion of marriage, because ââ¬Å". . . when they rise from the dead, they neither marry nor are given in marriage. . . â⬠(Mark 12. 25). In the line 27 Christ also points out that God is ââ¬Å". . . not God the dead, but of the living. . . â⬠(Mark 12. 27). It is this powerful denial of superficial views on the resurrection held by Sadducees that is the essence of Christ`s indignant response to the question about the resurrection and of his attempt to show that it is fundamentally ill-formulated. Moreover, in the studied passage we also can find some hints as to what the resurrection is like. Jesus briefly comments that after the dead are risen they ââ¬Å"are like angels in heavenâ⬠(Mark 12. 25). Still, it seems that this characterization is simultaneously equally used to further bolster the description of what the resurrection is not, as the comparison of people who have been risen with angels carries the theme of the discussion away from the material world on which Sadducees seem to be overly focused. Thus, readers who seek explanations for some crucial religious ideas may view the studied passage that examines the question about the resurrection as primarily one of those parts of the Bible that provide the firsthand account of the theological aspects of teachings of Jesus Christ. Conclusion As we can see, the Bible, being the text that pretends to give an account of historical events and at the same time to send universal and timeless messages, indeed works on many levels that coexist within the same biblical texts, and mutually reinforce one another by enhancing their significance and by highlighting various patters of meaning that they contain. More specifically, in the passage devoted to the question of the resurrection the form of the text as if works to copy the conversational and emotional aspects of what might have been an actual argumentative tug of war between Sadducees and Christ in which Jesus had the final word. So, in this regard the Bible has the function of a historical document. At the same time, the content of this passage, which sheds light on the phenomenon of the resurrection, has the life of its own because this excerpt also has the function of a religious text that elucidates important elements of the Christian doctrine.
Thursday, September 5, 2019
Procter and Gamble: PEST SWOT Analysis
Procter and Gamble: PEST SWOT Analysis Procter and Gamble Market Environment Central problem Procter and Gamble (PG) started its PuR project as part of selling water purification technology named the PuR sachets. However, entering the market with water purification technology had three major issues all related to brand and product recognition. Thus, with PG facing brand and product difficulties, three major problems were threatening to decapitate the investments that were poured into the PuR project. The very first problem that PuR project as creating awareness for the brand and product that had not been traded before in the market. Thus, in promoting the product, the company faced two secondary problems which included difficulties in establishing ready market for the product and convincing customers that the PuR sachets were relevant in their lives. Secondly, the company developed the project through heavy spending. The problem associated with the investment into the PuR project is that the companyââ¬â¢s under per sales did not seem to be sufficient enough to cover the c osts, hence the management was contemplating on dropping the project. Thirdly, while PuR was a reality and that the company was seeking approval from CDC, a major problem involved the lack of public or customer demand for the product regardless of the fact that PG tried to convince customers that dirty water was the cause of diarrhea (Hanson and Karen, 11). Secondary problems that faced PG included the fact that the PuR used preparation method that was very difficult to copy but very expensive as well. Thus, the company could not trade its water purification solution at a price that customers were able to afford. Additionally, the target market probably at a higher risk of contracting diarrhea due to consumption of dirty water was the very one that could not afford to buy the PuR sachets at the high prices. Collectively, finding market was a base and persisting problem that did not favor the PuR project and also did not have the potential to sustain the business projection of the company. Environmental Scanning Political Factors PG targeted various markets with the PuR sachets. Among these were the pioneer market in Pakistan, Guatemala, and Morocco. The political environment in most of these markets favored the marketing of PuR sachets but Morocco was quite problematic as testing at school level was denied. All of the identified markets allowed for village testing of the PuR sachets which meant that the only major problem the company was facing was associated with its approach in working with various major governmental departments and ministries. Like in Morocco, the company could not get approval for testing at the school level but it was able to get approval of the CDC in the US. Economic Factors Among the economic factor that were facing PG included the nature of the market as well as the social class of the potential buyers of the product. Initially, the CDC saw potential in the PuR sachets and encouraged the company to continue with the project. However, the company management had had enough of the under per sales due to lack of sustaining customer base. Additionally, with reference to the existence of other brands and availability of bottled water, PG was not getting as much return on investment as it had hoped for. Finally, multiple tests and commissioning of research and development continued to take more of the companyââ¬â¢s financial power thus weakening its promotional power. The company once had to take a desperate stance of signing a contract with nonprofit organization so that it can promote the PuR sachets in developing nations. This approach shows how economically desperate the market was making the company at hand. Social Factors Social factors that most companies are worried about today include the income of their target market and the underlying issues that push the demand for products and services. Among these issues, the target market for PuR sachets were the households that had bottom-of-the-pyramid entities, children. However, the social class of which illness related to dirty water could affect were the low-income families. The problem with the PuR sachet target market is that it had very little experience in using water purification methods and also did not have the financial potential to buy the products that the prices they were traded at. While dirty water was associated with diseases such as diarrhea, the target market had other issues affecting them besides the diseases ââ¬â the included household income and consideration of other factors besides water treatment. Technological Factors While most of the factors considered under this title played a negative role towards the development and trading of PuR sachets, technology was the only one that had an all-round positive effect to the desperate situation. PG had the required strength to develop research and development approaches aimed at managing most of its projects. However, considering research and development, PG had to invest in technology that both identified the need for water purification. Additionally, the packaging of the PuR was light and could store the contents for over three years. This approach in technology enabled the company- despite the low demand- the products did not go to waste due to their extended life span. SWOT Analysis Strengths Among the strengths of PG include: Financial strength of the company The company is well established worldwide The company is diversified and has numerous other products it trades which contribute to its financial strength The companyââ¬â¢s philanthropic tradition connects it with customers as it contributes to various charity events Weaknesses Among the weaknesses of PG include The company is diversified and offers a continuum of products to the market from health products to domestic animal products. This approach makes the companyââ¬â¢s strategic approach unfocused. The company is involved in non-effective marketing campaigns that drain the companyââ¬â¢s financial stability. Due to poor market feasibility studies, the companyââ¬â¢s venture in Morocco, Pakistan, and Guatemala all failed to meet expectations With unfocused research and development, the company had to call back its products for redevelopment wasting more money. Opportunities The company pioneered a product that continued to attract more customers due to health education programs The companyââ¬â¢s joint venture with local companies increase its market penetration and spreads risks to create financial security. With reference to Morocco, the company is able to reach out for more customers in need of clean water while in Pakistan developing upper class population providing ready market for the PuR sachets. Increasing cases of waterborne diseases create a larger market for water purification solutions. Threats More companies and brands have ventured into the market and offer far more affordable products as compared to the PuR sachets New entry products have the potential to weaken the current market share. Regulatory agencies in the current target markets prevent the company from saturating the available markets with the PuR sachets. Strategic Alternatives The strategic alternatives that can be used to ensure that the company is able to trade more profitably would be to Hire marketing agency to properly promote the products and manage finances Reduce the product portfolio so that the company focuses better on the most important lines of products Promote products in more dynamic markets rather than slowly developing markets Course of Action The course of action for each of the alternative is as follows: Alternative 1: In hiring suitable marketing agency, the company would invite marketing companies to bid for a one year contract to assess potential markets and to incorporate market segmentation relating to social factors affecting each type of market (Kahn, 76). Alternative 2: Since PG trades numerous products, the company is to select the products that are least profitable to the company and discontinue their production. This would enable the company to invest more funds to meaningful projects while cutting cost in the production of non-value intensive products (Kahn, 78). Alternative 3: The Company is to hire a marketing agency in this case or to conduct research regarding the most favorable markets worth investing in. Additionally, the current markets or nations that the company invests in could be measured in terms of economic stability and the per capita for perceived potential customers. In consideration, the company or the hired marketing agency can investigate the Gini Index of the target population of various potential markets to identify how sustainable the company operations can be in a new environment (Masur, 666). Work Cited Hanson, Margaret and Karen Powell. Procter Gamble PuR Purifier of Water: Developing the Product and Taking it to Market. INSEAD. 2009. Print. Retrieved from: http://www.gwu.edu/~clai/training_programs/UChile_MBA_Programs/uchilemba2010/Griffin_Readings/CSR_PuR_A_case.pdf Kahn, Kenneth. Functional, Multifunctional, and Cross-Functional: Considerations for Marketing Management. Journal of Marketing Theory and Practice, Vol. 17, No. 1 2009: pp. 75-84. Print. Masur, Jonathan and Posner, Eric. Against Feasibility Analysis. The University of Chicago Law Review, Vol. 77, No. 2: 2010; pp. 657-716. Print.
Chemistry Essays Saline & Fluids in the Body
Chemistry Essays Saline & Fluids in the Body Saline and Fluids Using saline as an example, outline the importance of solutions in the body and what is the concentration of normal saline and how the concentration of saline is controlled in the body and what effects on the cells an increase in saline concentration would have. Our bodies are fifty tosixty percent water, which therefore makes water an essential fluid for ourbodies. The main transporting agent in our body is the cells, and solutions arenecessary to execute functions such as: à à à à à Chemical balance à à à à à Circulation of blood à à à à à Transporting nutrients to the cells à à à à à Elimination of waste à à à à à respiration The main component ofthe blood, perspiration, saliva, mucus, lymphatic fluids and digestive juicesis water. The function of water also ensures the lubrication of the joints,that the muscles, skin, and organs is moisturized. The temperature of the bodyis also aided by water. Two thirds of water is situatedwithin the cells intracellular, and one third of water is found in the sitesbetween the cells interstitial and in the blood plasma. The composition ofsolutes in the intracellular and extracellular water can vary. A highconcentration of potassium ions is found in the intracellular cells, and a highconcentration of sodium and chloride ion is found in the extracellular cells. It is precarious to thesurvival of the human body that the accurate balance of fluids and salts ismaintained and the right pH acid balance. If the body loses fluids and salts,then dehydration can occur, and this can cause the concentration of salts toalter causing electrolyte imbalance. One of the mostimportant solutions in the body is saline, which is a solution consisting ofsodium chloride and distilled water. Salt plays a perilous function in the accurateoperation of the human body, as well as all other forms of life. The averageperson contains about eight ounces of salt, which facilitates muscles to contract,digestion to occur, the floe of blood, wounds to repair and fluids to beproperly regulated. A litre of isotonic or normal (0.9%) saline contains 154mmol of NaCI, comparable to 9 g of salt or 3.6 g of sodium. The regulation of salineand water equilibrium in the body is an example of homeostasis. Homeostasis isthe preservation of balance, or constant conditions, in a biological organismby means of habitual mechanisms that neutralize influences tending towarddisequilibrium. The correct composition of extracellular fluids and watercontent in the body is maintained by the important role played by the kidneys. Osmolarityis the amount of particles dissolved in a certain volume of fluid. Theosmolarity of fluid can be altered by the volume of fluid or by the quantity ofsolute molecules. In the duration of a day, the kidneys will manage 180 litersof blood, and will produce 1.5 liters of urine. The volume of water excreted bythe kidney is regulated by the anti-diuretic hormone (ADH: also referred toas vasopressin; diuresis means water loss and is therefore referred to as awater loss hormone. If the concentration offluid in the body drops below normal, the osmoreceptors in the hypothalamuswill recognize the resulting increase in osmolarity. ADH will be released bythe hypothalamus, in response to the change in osmolarity. The amount of fluidvolume lost must be replaced by drinking additional fluid, thus ensuring thatosmolarity returns to equilibrium and recovering the fluid loss. If the concentration offluid in the body increases above normal, this will also modify the osmolarityof the circulating fluids. The decrease in osmolarity is regulated by thehypothalamus, which stops producing ADH. In the absence of ADH, the kidney permitsfluid loss from the body. The kidney consists of numerous nephrons in which itfilters solutions, and then selectively reabsorbs or secretes different plasmacomponents. The entire composition of the nutrient molecules and most of thewater will be reabsorbed, and returned to the bloodstream. The major extracellularsalt is NaCl. The levels of osmolarity of the circulating body fluids aredetermined by the sodium and the chloride content. The kidney establishes theconcentration of Na+ loss from the body (Cl or anadditional anion will proceed Na+, so if Na+ levels aremonitored anion levels counteract automatically). If there is inadequate Na+inside the body, this will be identified by the kidney, which commences acomplex series of events, established as the renin/angiotensin/aldosterone pathway.In response to a decreased concentration of Na+, the kidney dischargesrenin into the blood. Renin acts on a plasma protein, angiotensinogen changingit into angiotensin I Angiotensin I is asubstrate for a changing enzyme, found widely in the lungs, which changes itinto angiotensin II. Angiotensin II has remarkable biological activity, causingthe release of aldosterone acting on the adrenal cortex. Aldosterone is ahormone that operates on the kidney to inhibit Na+ loss from thebody. Inversely, should there be an excess of Na+ in the body, adecrease in renin discharge will lead to a deterioration in the aldosterone concentrationsand an increase in Na+ deficiency in the urine. Variation in the Na+concentration is a protracted process than that of circulating fluid levels andmay require hours to days for completion. The obstacle between theextra and intra cellular compartments is known as the cell membrane. Watercan occur liberally through biological membranes but many solutes cannot. Whenone section has a larger concentration of solutes, the direction of the flow ofwater is from the section with the depleted concentration to the section withthe larger concentration. This process is known as osmosis. Osmosis is the migrationof water from an area of high water concentration through a semi-permeablemembrane to a region of low water concentration. In a hypotonic solutionof saline, the concentration of the solute molecules outside the cells is lowerthan that the concentration of solutes inside the cell. This in turn willenable the water to diffuse into the cell, until equilibrium is established.This flow of water into the cell causes the cell to swell. References 1. Stryer, L.Biochemistry (4th Edition). Freeman, New York. 2000 2. Campbell,M.K. Biochemistry, (2nd Edition) Saunders College Publishing, 1995 3. Parsons, R.GCSE Double Science: Biology Revision Guide Higher (GCSE Double Science)Coordination Group Publications (2001) 4. Clancy, J.McVicar, A, Baird, N. Perioperative Practice: Fundamentals of HomeostasisRoutledge, an imprint of Taylor Francis Books Limited (2002) 5. Revise ASBiology (Revise AS Study Guide S.) Letts Educational Ltd (2004) 6. Chiras, D.Human Biology: Health, Homeostasis and the Environment Jones and BartlettPublishers International (1994)
Wednesday, September 4, 2019
Legalization Of Cannibalism :: essays research papers
Virginia Woolf once said, ââ¬Å"One cannot think well, love well, sleep well, if one has not dined well.â⬠This is one of the many arguments behind legalizing cannibalism. If the act of eating other human beings was legalized and regulated it will solve all the problems of modern society. Cannibalism has been around since the Neolithic times. It is not currently practiced, but I think a revival of this age-old practice would benefit everyone. Cannibalism can solve world hunger. It can improve our criminal justice system. Cannibalism will also put an end to over population and spice up some of the current cooking shows. The legalization of cannibalism is what our modern world needs to turn itself around. à à à à à The common idea behind using cannibalism to end world hunger is that we can kill half the people in the world and feed them to the other half. I disagree with that. Humans can live without their pinkey fingers, appendixes, and tonsils. This amounts to more than four hundred grams of useable meat per person. If the entire world donated those body parts, we would have 2, 400, 000, 000, 000 grams of meat or 2, 400, 000 metric tons or 3, 779, 250 cows worth of meat. These figures do not include the number of people who die and who would be edible. This, combined with the other foods currently available would help feed all the hungry people of the world. By legalizing and encouraging organized cannibalism we can help hungry and malnourished people everywhere. à à à à à If cannibalism is legalized the world will be much better behaved. I do not think that the majority of criminals would commit crimes if they knew that their appendages would end up in the supermarket if they were caught. This would also apply to schools. Detentions do not work, but I think that if you break a rule you will have to give a limb to be eaten. If you are late five times, it is a toe. If you skip an English class, the punishment is a pound of flesh. The Young Offenders Act should also be altered. The punishment for young offenders would just be less than the punishment for adults. My improved correctional system would completely significantly reduce crime from our streets. à à à à à Cannibalism would provide economically viable solutions to the problems of modern society. Today there is a large homeless problem. Some have suggested feeding half the homeless to the other half.
Tuesday, September 3, 2019
Aimster Debate :: essays research papers
à à à à à The idea of sharing media files over the Internet has become a controversial subject as of late. While file sharing applications such as Napster are currently under fire from the US government and from Music Recording companies, one would think that no one would try to mimic Napsterââ¬â¢s technology. Johnny Deep, a computer consultant in Troy, New York, has been hailed as the creator of ââ¬Å"The Next Napsterâ⬠. Deep is the mind behind ââ¬Å"Aimsterâ⬠, named after his daughter, Aimee. Aimster piggybacks the common and very popular instant- messaging services such as AOL Instant Messenger, AOL, and MSN Messaging Service. Aimster, a free download from www.aimster.com, allows users to swap files with users on the buddy lists, or there is the option of searching all Aimster users with a ââ¬Å"guestâ⬠option. Not only can users share audio files; they can share their pictures, their winamp playlists, and any other file on their computer. As of Janu ary 2001 Aimster racked up over 3 million users worldwide. AOL and other messaging services cannot block Aimster use, since it does not run through ISP Servers, rather, every Aimster memberââ¬â¢s personal computer acts as a server. à à à à à The controversy continues as more and more Napster wanna-beââ¬â¢s are thrown into the mix. Deep believes that the Recording Industry will have less of a problem with his software, since Aimster users only share their files with friends and family on their buddy list, an act that is similar to loaning a CD to a friend ââ¬â which is hardly illegal. In interview, Deep was quoted as saying ââ¬Å"A lot of people say weââ¬â¢ll be sued not because we are doing anything wrong, but because we are successful.â⬠à à à à à In my opinion, file-sharing should not be getting the negative media attention that it does. I am an avid user of all file-sharing applications: Napster, Aimster, KaZaA and scour. I have over 600 mp3 files on my computer, and Iââ¬â¢m downloading three more while I type this. I use file sharing not only as a way to download a song that I hear on the radio, but to look for new music.
Monday, September 2, 2019
How cell phones changed todays society Essay
How cellphones effect people everyday lives today? Cellphones play a bid role in todayââ¬â¢s society as many would concur. From when someone wakes up in the morning they instantly checks their profile, messages, or missed calls. Cellphones make it easier to communicate with each other even if thereââ¬â¢s a lot of distance between them. They made it to where if someone in Georgia want to talk to someone in New York anytime, then they could without haven to drive or fly to the other destination to. In order to keep the cellphones in business and effective they made different companies, that advertise, sale, keep in order, and produce the product. So to keep the business around each company tries to make the best deals for single and family purposes. They also build more signal towers all around the world to produce more signal than another company, to promise better service. They advertise the company on TV by commercials, on the internet with web site, on the streets with flyer or poster. They also advertise by saying they got the best by comparing there produce or services to others. Other ways like most of todayââ¬â¢s phone are high quality with best games, internet, music, and communication. So when someone gets bored the first thing they do is pick up a phone. Most of some peopleââ¬â¢s day is spent on a cellphone. People now a days are on their phones extremely too much, missing the beauty of life. Not going out doing things hands on, they rather be sucked into cyber life or social media. Researchers found the radiofrequency field generated by your cell phone causes brain tissue to heat up. This proves your brain is absorbing radiation from your cell, study author David Gultekin, Ph.D., a researcher at the Memorial Sloan-Kettering Cancer Center in New York, tells MensHealth.com. Ten studies connect cell phone radiationà to diminished sperm count and sperm damage. Others raise health concerns such as altered brain metabolism, sleep disturbance and behavioral changes in children. Thatââ¬â¢s why I did research and found a case that can reduce radiation exposure. One of the greatest disadvantages of the cellular phone is the fact that we do not talk to strangers when traveling anymore. In the past, several people waiting for a bus would engage in a conversation while they were waiting. People who traveled the same routes every day might develop friendships along the way. This situation does not happen anymore. Today when people are waiting for a bus, they just pull out their cell phones and speak with old friends, missing out on the opportunity to make new ones. In large cities, many people do not know their neighbors, even though they may have lived in the same neighborhood for years. As a society, we are beginning to lose the face-to-face contact that was such an important part of our lives in the past. Cell phones are a great asset in aiding in our everyday lives. You should remember, however, to hang up every once in a while and pay attention to the world around you.
Sunday, September 1, 2019
Random Sampling Techniques
There are many ways to select a random sample. Four of them are discussed below: Simple Random Sampling: In this sampling technique, each sample of the same size has the same probability of being selected. Such a sample is called a simple random sample. One way to select a simple random sample is by a lottery or drawing. For example, if we need to select 5 students from a class of 50, we write each of the 50 names on a separate piece of paper. Then, we place all 50 names in a hat and mix them thoroughly.Next, we draw 1 name randomly from the hat. We repeat this experiment four more times. The 5 drawn names make up a simple random sample. The second procedure to select a simple random sample is to use a table of random numbers, which has become an outdated procedure. In this age of technology, it is much easier to use a statistical package, such as Minitab, to select a simple random sample. Systematic Random Sampling: The simple random sampling procedure becomes very tedious if the si ze of the population is large.For example, if we need to select 150 households from a list of 45,000, it is very time consuming either to write the 45,000 names on pieces of paper or then select 150 households or to use a table of random numbers. In such cases, it is more convenient to use systematic random sampling. Stratified Random Sampling: Suppose we need to select a sample from the population of a city, and we want households with different income levels to be proportionately represented in the sample.In this case, instead of selecting a simple random sample or a systematic random sample, we may prefer to apply a different technique. First, we divide the whole population into different groups based on income levels. Thus, whenever we observe that a population differs widely in the possession of a characteristic, we may prefer to divide it into different strata and then select one sample from each stratum. We can divide the population on the basis of any characteristic, such as income, expenditure, sex, education, race, employment, or family size.Cluster Sampling: Sometimes the target population is scattered over a wide geographical area. Consequently, if a simple random sample is selected, it may be costly to contact each member of the sample. In such a case, we divide the population into different geographical groups or clusters and as a first step select a random sample of certain clusters from all clusters. We then take a random sample of certain elements from each selected cluster. For example, suppose we are to conduct a survey of households in the state f New York. First, we divide the whole state of New York into, say, 40 regions, which are called clusters or primary units. We make sure that all clusters are similar and, hence, representative of the population. We then select at random, say, 5 clusters from 40. Next, we randomly select certain households from each of these 5 clusters and conduct a survey of these selected households. This is calle d cluster sampling. Note that all clusters must be representative of the population. Random Sampling Techniques There are many ways to select a random sample. Four of them are discussed below: Simple Random Sampling: In this sampling technique, each sample of the same size has the same probability of being selected. Such a sample is called a simple random sample. One way to select a simple random sample is by a lottery or drawing. For example, if we need to select 5 students from a class of 50, we write each of the 50 names on a separate piece of paper. Then, we place all 50 names in a hat and mix them thoroughly.Next, we draw 1 name randomly from the hat. We repeat this experiment four more times. The 5 drawn names make up a simple random sample. The second procedure to select a simple random sample is to use a table of random numbers, which has become an outdated procedure. In this age of technology, it is much easier to use a statistical package, such as Minitab, to select a simple random sample. Systematic Random Sampling: The simple random sampling procedure becomes very tedious if the si ze of the population is large.For example, if we need to select 150 households from a list of 45,000, it is very time consuming either to write the 45,000 names on pieces of paper or then select 150 households or to use a table of random numbers. In such cases, it is more convenient to use systematic random sampling. Stratified Random Sampling: Suppose we need to select a sample from the population of a city, and we want households with different income levels to be proportionately represented in the sample.In this case, instead of selecting a simple random sample or a systematic random sample, we may prefer to apply a different technique. First, we divide the whole population into different groups based on income levels. Thus, whenever we observe that a population differs widely in the possession of a characteristic, we may prefer to divide it into different strata and then select one sample from each stratum. We can divide the population on the basis of any characteristic, such as income, expenditure, sex, education, race, employment, or family size.Cluster Sampling: Sometimes the target population is scattered over a wide geographical area. Consequently, if a simple random sample is selected, it may be costly to contact each member of the sample. In such a case, we divide the population into different geographical groups or clusters and as a first step select a random sample of certain clusters from all clusters. We then take a random sample of certain elements from each selected cluster. For example, suppose we are to conduct a survey of households in the state f New York. First, we divide the whole state of New York into, say, 40 regions, which are called clusters or primary units. We make sure that all clusters are similar and, hence, representative of the population. We then select at random, say, 5 clusters from 40. Next, we randomly select certain households from each of these 5 clusters and conduct a survey of these selected households. This is calle d cluster sampling. Note that all clusters must be representative of the population.
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