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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:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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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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