Assume that the population is approximately distributed. The Department of Labor and Employment reported that a person between the ages of 20 and 40 has had an average of 9.2 jobs. To see if this average is correct, a statistician selected a sample 8 employees between the ages of 20 and 40 and asked how many different companies they had been employed. The results are shown below: 8 12 15 6 1 9 13 2 At a = 0.05, can it be concluded that the mean is 9.2? Use the P-value method. Also, give one reason why the number of respondents might not have given the exact number of jobs that they have been employed.
Assume that the population is approximately distributed. The Department of Labor and Employment reported that a person between the ages of 20 and 40 has had an average of 9.2 jobs. To see if this average is correct, a statistician selected a sample 8 employees between the ages of 20 and 40 and asked how many different companies they had been employed. The results are shown below: 8 12 15 6 1 9 13 2 At a = 0.05, can it be concluded that the mean is 9.2? Use the P-value method. Also, give one reason why the number of respondents might not have given the exact number of jobs that they have been employed.
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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Transcribed Image Text:Assume that the population is approximately distributed. The Department of Labor and
Employment reported that a person between the ages of 20 and 40 has had an average of 9.2
jobs. To see if this average is correct, a statistician selected a sample 8 employees between the
ages of 20 and 40 and asked how many different companies they had been employed. The
results are shown below:
8 1215 6 1 9 13 2
At a = 0.05, can it be concluded that the mean is 9.2? Use the P-value method. Also, give one
reason why the number of respondents might not have given the exact number of jobs that they
have been employed.
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