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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
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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