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hw1 - Homework#1 Summary Statistics Discrete Random...

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Homework #1 – Summary Statistics, Discrete Random Variables, Probability Due Thursday, February 2, 2012 1. A data set was mentioned in class, which was the number of points scored in each of the 34 games played by the K-State men’s basketball team in 2010-2011. You can find those numbers on the next page. Find the following summary statistics for those scores. a. the mean b. the median c. the standard deviation d. compute the endpoints of the interval x ± 2∙s for this data set, then determine what fraction or percentage of the observed values fall between these two limits. 2. In discussing probability, we described two types of random variables (numerical outcomes from experiments. For each of the random variables described, tell me whether it is discrete or continuous. a. the fraction of voters in the next Manhattan city election who will vote for a particular candidate. b. the number of voters in the next Manhattan city election who will vote for a particular candidate.

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