QM 214 Study Guide - Statistical Hypothesis Testing, Standard Deviation, Type I And Type Ii Errors

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30 Oct 2014
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Py 211 exam 2 study guide: what they mean and their properties, know how to calculate and compare them, be able to work backwards (be able to find z, x, or the population mean) Be able to calculate probability and proportion: know what random sampling is and what it requires. Find the probability of scoring higher than 80. Exp: for the population of scores on an iq test, the mean is 100, the standard deviation is 15. Find the probability of getting a sample (n=36) mean of greater than 108: the other one will be a description of a study where you have to conduct a hypothesis test. Exp: a researcher would like to investigate the effects of eating burritos on. Specifically, the researcher believes that eating burritos will increase peoples iq. It is known that for the population of scores on an iq test, the mean is 100, the standard deviation is 15.