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A Bayesian Examines the Lady Tasting Tea (Abridged)
Pfeifer, Phillip E.Nota técnica DARDEN-QA-0768-EAnálisis de decisionesThis technical note accompanies the case/class on “The Lady Tasting Tea” (LTT). It describes how a Bayesian would update his or her prior probability for the probability the LTT can correctly distinguish cups of tea based on whether the milk was added first or last. The long-form note (UVA-QA-0769) describes both a discrete model (LTT has p of 0.5 or 0.8) and a more complicated continuous model (p is beta distributed). This abridged note describe...Desde 8,20 €
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A Bayesian Examines the Lady Tasting Tea
Pfeifer, Phillip E.Nota técnica DARDEN-QA-0769-EAnálisis de decisionesThis technical note accompanies the case/class on “The Lady Tasting Tea” (LTT). It describes how a Bayesian would update his or her prior probability for the probability the LTT can correctly distinguish cups of tea based on whether the milk was added first or last. This long-form note describes both a discrete model (LTT has p of 0.5 or 0.8) and a more complicated continuous model (p is beta distributed). The abridged note (UVA-QA-0768) describe...Desde 8,20 €
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Wunderdog Sports Picks
Pfeifer, Phillip E.Caso DARDEN-QA-0719-EAnálisis de decisionesThis case is little more than an e-mail that a college statistics professor received from the owner of a sports-picking service. The e-mail reports that the owner's picking system correctly picked 87 out of 149 2005 NFL games against the point spread. Students must decide what to make of this information. The case is used in an introductory course in data analysis and statistics.Desde 8,20 €
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The IQ Experiment
Pfeifer, Phillip E.; Ovchinnikov, Anton S.Caso DARDEN-QA-0770-EAnálisis de decisionesThis case describes an IQ experiment in which 66 students, under the direction of their professor, used Excel to generate simulated IQs. The instructions were such that the generated IQs should have come from a normal distribution with a mean of 100 and standard deviation of 15. The sample average IQ, however, was 104.3. Students are asked to use their data-analysis skills to make sense of the results. The data set also contains gender (male or f...Desde 8,20 €
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Darden's Luckiest Student 2008
Pfeifer, Phillip E.; Bodily, Samuel E.Caso DARDEN-QA-0717-EAnálisis de decisionesThe case describes a three-factor, full-factorial experiment run in conjunction with the Darden's Luckiest Student event of 2008. Prior to identifying Darden's Luckiest, all 300 first-year students made binding decisions between varying amounts of cash and the opportunity to select one of two identical briefcases. One briefcase contained $18,750; the other contained $0. Students are asked to analyze the results of the experiment and draw conclusi...Desde 8,20 €
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The Pelayo Family Plays Roulette - Teaching note
Bodily, Samuel E.; Pfeifer, Phillip E.; Baucells, ManelNota del Instructor DARDEN-QA-0850TN-EAnálisis de decisionesTeaching note for product QA-0850Desde 0,00 €
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The Pelayo Family Plays Roulette: The Prequel
Pfeifer, Phillip E.; Bodily, Samuel E.; Baucells, ManelCaso DARDEN-QA-0847-EAnálisis de decisionesThe case presents data from 70,340 spins of four roulette wheels: three of which are real ("imperfect") and one of which is simulated ("perfect"). The challenge posed is to identify which of the four is the simulated wheel. After weeks spent recording spin results at their local casino, the members of the Pelayo family think they have identified three imperfect wheels. Before they start betting, they want to be certain that the three wheels they ...Desde 8,20 €
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The Judgment of Princeton
Pfeifer, Phillip E.Caso DARDEN-QA-0813-EAnálisis de decisionesThe case descirbes a wine-tasting competition held in Princeton, New Jersey, in 2012. The competition pitted the best wines from New Jersey (NJ) against the best wines from France in blind taste tests. The case stops after the scores of nine judges tasting 20 wines have been recorded. Students are asked to take these 180 scores and determine the best red and best white and to also compare the performance of the 12 NJ wines to the 8 French wines.Desde 8,20 €
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List Testing Exercise: Economic Selection - Teaching Note
Pfeifer, Phillip E.Nota del Instructor DARDEN-M-0870TN-EMarketingTeaching note for product M-0870Desde 0,00 €
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Saving Customers at Vigil Home Security
Pfeifer, Phillip E.Caso DARDEN-QA-0804-EAnálisis de decisionesMike Thomas, director of customer relationships at the second-leading provider of residential security systems in the United States, set out to examine data from 61,235 customer "saves" in order to determine if the offer used to persuade a customer not to discontinue service affected the subsequent longevity of the saved relationship. If some offers led to longer subsequent relationships, Thomas's next step would be to reward customer service rep...Desde 8,20 €