hw5 - distribution of birthdays in the corresponding...

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Homework 5 (due Mar. 19) 1. Design a problem where a pooled t-test would be inadequate, and the paired t-test would have to be used to get reasonable conclusions. Solve using both t-tests and comment on the results. 2. Among twelve randomly chosen people, two have their birthdays in January, two in March, three in May, and one each in April, July, August, October, and December. Use these data to test the hypothesis about uniform
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Unformatted text preview: distribution of birthdays in the corresponding population. Use signicance level of 0.05. 3. Suppose that in the sample of 100 men and 100 women, there are a total of 40 smokers. What is the smallest number of female smokers (assuming that it is always smaller than the number of male smokers) that would allow for an acceptance of the hypothesis that smoking is independent of gender at = 0 . 05? 1...
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This note was uploaded on 03/17/2008 for the course IE 121 taught by Professor Perevalov during the Spring '08 term at Lehigh University .

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