A national business magazine reports that the mean age of retirement for women executives is 61.0. A women’s rights organization believes that this value does not accurately depict the current trend in retirement. To test this, the group polled a simple random sample of 95 recently retired women executives and found that they had a mean age of retirement of 61.5. Assuming the population standard deviation is 2.45 years, is there sufficient evidence to support the organization’s belief at the a = 0.01 significance leve
A national business magazine reports that the mean age of retirement for women executives is 61.0. A women’s rights organization believes that this value does not accurately depict the current trend in retirement. To test this, the group polled a simple random sample of 95 recently retired women executives and found that they had a mean age of retirement of 61.5. Assuming the population standard deviation is 2.45 years, is there sufficient evidence to support the organization’s belief at the a = 0.01 significance leve
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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A national business magazine reports that the mean age of retirement for women executives is
61.0. A women’s rights organization believes that this value does not accurately depict the
current trend in retirement. To test this, the group polled a simple random sample of 95
recently retired women executives and found that they had a mean age of retirement of 61.5.
Assuming the population standard deviation is 2.45 years, is there sufficient evidence to support
the organization’s belief at the a = 0.01 significance level?
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