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Our anthropologist wants to know if women on that remote island in the South Pacific are on average shorter than US women, who have a mean height of 64.5 inches. Recall that she believes the heights are approximatel normal, and by divine revelation she knows that the standard deviation of th heights is 2.5 inches. A SRS of 30 women has mean height 64 inches.

Our anthropologist wants to know if women on that remote island in the South Pacific are on average shorter than US women, who have a mean height of 64.5 inches. Recall that she believes the heights are approximatel normal, and by divine revelation she knows that the standard deviation of th heights is 2.5 inches. A SRS of 30 women has mean height 64 inches.

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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Draw a picture of the Rejection Region, being sure to label the boundary of
it with the appropriate critical value also

Our anthropologist wants to know if women on that remote island in the South Pacific are on average shorter than US women, who have a mean height of 64.5 inches. Recall that she believes the heights are approximately normal, and by divine revelation she knows that the standard deviation of the heights is 2.5 inches. A SRS of 30 women has mean height 64 inches. a) Does this indicate that the mean height of these women is shorter than the US mean? Use a = .01.
Transcribed Image Text:Our anthropologist wants to know if women on that remote island in the South Pacific are on average shorter than US women, who have a mean height of 64.5 inches. Recall that she believes the heights are approximately normal, and by divine revelation she knows that the standard deviation of the heights is 2.5 inches. A SRS of 30 women has mean height 64 inches. a) Does this indicate that the mean height of these women is shorter than the US mean? Use a = .01.
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