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births  per woman was greater than 0.75. They asked 50 women across China the number of  births they had had. The results are shown in the following table. Does the students’  survey indicate that the standard deviation is greater than 0.75? Use α = 0.01. # of Births Frequency          0                5          1               30          2               10          3                5

births  per woman was greater than 0.75. They asked 50 women across China the number of  births they had had. The results are shown in the following table. Does the students’  survey indicate that the standard deviation is greater than 0.75? Use α = 0.01. # of Births Frequency          0                5          1               30          2               10          3                5

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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9. The number of births per woman in China is 1.6 down from 5.91 in 1966. This fertility 
rate has been attributed to the law passed in 1979 restricting births to one per woman. 
Suppose that a group of students studied whether or not the standard deviation of births 
per woman was greater than 0.75. They asked 50 women across China the number of 
births they had had. The results are shown in the following table. Does the students’ 
survey indicate that the standard deviation is greater than 0.75? Use α = 0.01.

# of Births Frequency
         0                5
         1               30
         2               10
         3                5

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