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e71_hw4 - Stats for Strategy Fall 2008 HOMEWORK 4(covers...

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Unformatted text preview: Stats for Strategy Fall 2008 HOMEWORK 4 (covers Topic 6, due Monday, Sept. 29) DIRECTIONS: • Always use MINITAB to compare two means. Determine whether the two samples are paired or independent . • Use Four Steps and extract the t statistic and P-value from MINITAB output for hy- pothesis tests. If an exercise does not specify a significance level, use α = . 05 . • Remember to interpret each confidence interval. • Before beginning the homework, click on the Data Sets link from the course website and download the data files available for Topic 6. Open data files as worksheets in MINITAB . • It might be helpful to reproduce MINITAB output for Examples 1 and 2 in the Topic 6 Notes before beginning the homework. A. Homework Problems with Posted Solutions (12 textbook exercises) • Exercise 7.58 (p. 456) No answer is required for (a). • Exercise 7.84 (p. 470) Ignore parts (a) and (b). Do part (c) only....
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e71_hw4 - Stats for Strategy Fall 2008 HOMEWORK 4(covers...

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