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Unformatted text preview: Stat 3011 Homework 9 Stat 3011: Homework 9 Due: Tuesday, April 8th Directions: Where indicated, answer the questions on this sheet, not the questions in the book. Problems for which Rweb is required are marked accordingly. If the directions do not specif- ically instruct you to use Rweb, then you should do the problem by hand. Assigned Exercises: 1. 9.11 (page 426) 2. 9.16 (page 426) (a) book part a (b) Calculate the sample proportion that guessed their horoscope correctly and use it to calculate the test statistic for the hypothesis test from part a. (c) Calculate and interpret the p-value for this test. (d) Based on the p-value in part d, what conclusion would you make at the .01 level? Be sure to state your conclusion in the context of this problem! 3. 9.22 (page 427) parts b, c, and d (not a). Notation: Let p = the proportion of Virginians that voted for Webb. 4. 9.30 (page 439) (a) Set up hypotheses to test the claim that a low carbohydrate diet will, on average, result in significant weight...
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This note was uploaded on 10/02/2011 for the course STAT 3011 taught by Professor Wang,zhan during the Spring '09 term at Minnesota.
- Spring '09