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Unformatted text preview: STA 3024 Homework 3 Section 7454 Form B Name: UFID: This form is only for students whose UFID number begins with 0, 4, 5, or 9. 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 , UF-ID 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 p-value, and make a conclusion in the context of the problem. 1. SAT scores are collected before and after students take a particularly prep-course. Below is com- puter output for analyzing the data to see if the prep-course was effective using a parametric and nonparametric method. > t.test(SAT$score ~ SAT$when, alternative="greater",paired=TRUE) Paired t-test data: SAT$score by SAT$when t = 4.5675, df = 8, p-value = 0.0009159t = 4....
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- Spring '08
- Statistics, Federalist Party, Wilcoxon signed-rank test, 22 15 33 24 19 18 22