HOW SAMPLE SURVEYS GO WRONG Random sampling eliminates bias in choosing a sample and allows control of variability. So once we see the magic words “randomly selected” and “margin of error‚” do we know we have trustworthy information before us? It certainly beats voluntary response‚ but not always by as much as we might hope. Sampling in the real world is more complex and less reliable than choosing a Simple Random Sample (SRS) from a list of names in an exercise. Confidence statements do not reflect
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school. According to the weekly newspaper‚ “The Economist‚” girls read more than boys. Teachers are always mentioning how reading is important. In fact‚ neuroscientists have discovered that reading improves brain function. The author of “The Economist”
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recite the words of Allah (God) in public‚ he traveled across the Middle east with his followers. After his death Islam had reached not only the Middle East but Europe and Asia. Islam spread so quickly because of the trade routes‚ the religious message‚ and their political message. The first reason Islam spread so quickly is because when merchants moved around the middle east and other places they advertised Islam. According to Great Ages of Man : Early Islam by Desmond Stewart & the editors of Time-Life
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come true. Knowledge Isn’t Power‚ by Paul Krugman simply conveys about rising inequalities in wages and salaries of Americans. He proclaimed how the reason of inequality is not education‚ but power. He also stated that there are many actions that could be taken to "redress the inequality of power; only if there is a major party willing to move policy in exactly the opposite direction" i quote him. The thing that I disagree with the author is how he claimed that knowledge is not a reason for
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work‚ you might be tempted to check Facebook or your email one more time. How to keep up productivity as a writer? Is it a matter of buckling down and doing it? Or‚ should you wait for inspiration to strike? Neither. Or both. Good writing is the product of planned inspiration. Getting rid of distractions‚ planning the work to be done‚ and writing what comes is the way to writing productivity. Here’s how to do it: 1. Get out of the house Go somewhere alone with your laptop‚ and leave the power
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needed to do in order to get Brutus in on the plan to overthrow Julius Caesar. The way Cassius was able to use his knowledge of his fellow peers was the way that he talked to Brutus‚ getting him to join the conspirators. Cassius smooth talked his way into getting Brutus to join the conspirators. Cassius told Brutus that he looked up to him which is a reason how he got Brutus involved. By being able to know how to talk to his peers and be able to know how to get them to do things that
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Did NUS student get what he deserved for online rant? Debate rages over whether punishment for Sun Xu was adequate Published on Mar 30‚ 2012 FIRST‚ they wanted him punished. But now that the National University of Singapore (NUS) has meted out the punishment to the foreign student who made derogatory comments about Singaporeans‚ the debate has turned to whether justice has been done. Earlier this week‚ Mr Sun Xu was given an official reprimand‚ a $3‚000 fine‚ and an order to do three months
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Why Did Islam Spread So Quickly? The Islamic religion spread incredibly fast from approximately 600 C.E. to 700 C.E. because the religion and its beliefs are appealing‚ the main worship center is also a huge trade center‚ and it has noble military campaigns. The founder of the religion‚ a man whose name was Muhammad‚ received word from a god named Allah. He began to preach Allah’s word to citizens in Mecca‚ and his preachings spread rapidly across the Middle East. One of the reasons Islam spread
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Major Essay Part Two: The Argument The year is 1948‚ Joseph Stalin has just appointed the leader of North Korea as Kim Il-Sung‚ and since that time the same family has been in power. Kim Il-Sung is the man who is responsible for North Korea’s drive to become a nuclear power to this day. It was his demand for nuclear weapons that pushed the regime in its search. Flash-forward‚ it’s 1994‚ North Korea under the leadership of Kim Jong Il‚ Il-Sung’s son‚ announces it’s intentions to retract from
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Signalling – Is first price discrimination really possible? Not very much in an interconnected world. Firms often need to deploy strategies that elicit signals from buyers to automatically tell them who are the ones who would pay more than the others. How can they practice price targeting? Discount coupons or cookies (Amazon)‚ lazy buying behaviour. Exploiting the lack of price sensitivity is key! 3. Product differentiation is much more than what we think – Firms often make sure that the premium buyers
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