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Unformatted text preview: STA 3024 Homework 3 Section 7454 Form A Name: UFID: This form is only for students whose UFID number begins with 1, 2, 3, or 8. Answer all problems neatly . If you turn in more than one piece of paper, they must be stapled . Work that isn’t neat or stapled may lose points. You don’t need to turn in this problem listing, but you do need to include your name , UFID number , and form code on your homework. For all problems where you actually conduct a hypothesis test, be sure to clearly check the assumptions, state the hypotheses, show your work when conducting the test, find a pvalue, and make a conclusion in the context of the problem. 33 points total 1. total points: 15 Suppose a hypothetical political action committee (PAC) is investigating the number of kept promises by elected members of the Federalist party and the AntiFederalist party. The find data on six elected officials, and count the number of promises made during their campaigns that they kept before leaving office. Federalist 3 19 6 AntiFederalist 2 4 7 (a) 1 point Which type of ttest would would like to use for this data? a 2sample ttest (b) 1 point Why can’t we use the above test? small sample size and no information about the normality of the population (c) 1 point What is appropriate nonparametric test? MannWhitney U (or MannWhitneyWilcoxon U or Wilcoxon RankSum Test) (d) Conduct the appropriate nonparametric test to determine if there is evidence that Federalist party members kept more promises than their opponents....
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 Spring '08
 TA
 Statistics, Federalist Party, Nonparametric statistics, Wilcoxon signedrank test, Federalist group

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