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PROBLEM 7: Assume that the mean height for women at a large university (to be viewed as a population) is 65 inches with a standard deviation of 3 inches. (a) If the women are placed randomly into classes of 36 each, what will be the standard deviation of the class means for height (i.e. the standard error of the mean)? (b) Using your answer to part (a), what is the z score for a class whose average height is 64.2 inches? What is the two-tailed p-value for this class? PROBLEM 8:

PROBLEM 7: Assume that the mean height for women at a large university (to be viewed as a population) is 65 inches with a standard deviation of 3 inches. (a) If the women are placed randomly into classes of 36 each, what will be the standard deviation of the class means for height (i.e. the standard error of the mean)? (b) Using your answer to part (a), what is the z score for a class whose average height is 64.2 inches? What is the two-tailed p-value for this class? PROBLEM 8:

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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PROBLEM 7: Assume that the mean height for women at a large university (to be viewed as a population) is 65 inches with a standard deviation of 3 inches. (a) If the women are placed randomly into classes of 36 each, what will be the standard deviation of the class means for height (L.e. the standard error of the mean)? (b) Using your answer to part (a), what is the z score for a class whose average height is 64.2 inches? What is the two-tailed p-value for this class? PROBLEM 8: IN PROBLEM 7, find (c) If you were testing the null hypothesis (L.e. u=65), would you reject Ho for this class at the 0.05 level for a two-tailed test? (d) Repeat part (hien het Tees Wed you reme
Transcribed Image Text:PROBLEM 7: Assume that the mean height for women at a large university (to be viewed as a population) is 65 inches with a standard deviation of 3 inches. (a) If the women are placed randomly into classes of 36 each, what will be the standard deviation of the class means for height (L.e. the standard error of the mean)? (b) Using your answer to part (a), what is the z score for a class whose average height is 64.2 inches? What is the two-tailed p-value for this class? PROBLEM 8: IN PROBLEM 7, find (c) If you were testing the null hypothesis (L.e. u=65), would you reject Ho for this class at the 0.05 level for a two-tailed test? (d) Repeat part (hien het Tees Wed you reme
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