Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.9. The population standard deviation is 2.3. Part: 0/ 4 Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is Part: 1/4 Part 2 of 4 (b) Find the 90% confidence interval of the mean number of jobs. Round intermediate and answers to one decimal place.
Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.9. The population standard deviation is 2.3. Part: 0/ 4 Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is Part: 1/4 Part 2 of 4 (b) Find the 90% confidence interval of the mean number of jobs. Round intermediate and answers to one decimal place.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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![Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.9. The population
standard deviation is 2.3.
Part: 0/ 4
Part 1 of 4
(a) Find the best point estimate of the mean.
The best point estimate of the mean is
Part: 1/4
Part 2 of 4
(b) Find the 90% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37693068-6af4-49b5-9ac4-58957f6ce67d%2F0e11c8d7-4a2d-4372-81d7-1b2c691d3161%2F5hz18xm9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 6.9. The population
standard deviation is 2.3.
Part: 0/ 4
Part 1 of 4
(a) Find the best point estimate of the mean.
The best point estimate of the mean is
Part: 1/4
Part 2 of 4
(b) Find the 90% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.
![Part: 2/4
Part 3 of 4
(c) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.
<H<|
Part: 3/ 4
Part 4 of 4
(d) Which is smaller? Explain why.
The
% confidence interval is smaller since there is (Choose one)
of a chance that the mean is contained in the
interval as opposed to the
% confidence interval.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37693068-6af4-49b5-9ac4-58957f6ce67d%2F0e11c8d7-4a2d-4372-81d7-1b2c691d3161%2Fb39pijh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part: 2/4
Part 3 of 4
(c) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place.
<H<|
Part: 3/ 4
Part 4 of 4
(d) Which is smaller? Explain why.
The
% confidence interval is smaller since there is (Choose one)
of a chance that the mean is contained in the
interval as opposed to the
% confidence interval.
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