Number of Jobs A sociologist found that in a sample of 45 retired men, the average number of jobs they had during their lifetimes was 7.1. The population standard deviation is 2.2. Part: 0 / 4 Part 1...


Number of Jobs A sociologist found that in a sample of 45 retired men, the average number of jobs they had during their<br>lifetimes was 7.1. The population standard deviation is 2.2.<br>Part: 0 / 4<br>Part 1 of 4<br>(a) Find the best point estimate of the mean.<br>The best point estimate of the mean is 7.1<br>Part: 1/ 4<br>Part 2 of 4<br>(b) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal<br>place.<br>0<u<0<br>Part: 2/ 4<br>Part 3 of 4<br>(C) Find the 90% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal<br>place.<br>0<u<0<br>Part: 3/ 4<br>Part 4 of 4<br>(d) Which is smaller? Explain why.<br>The<br>% confidence interval is smaller since there is (Choose one) v of a chance that<br>the mean is contained in the interval as opposed to the % confidence interval.<br>

Extracted text: Number of Jobs A sociologist found that in a sample of 45 retired men, the average number of jobs they had during their lifetimes was 7.1. The population standard deviation is 2.2. Part: 0 / 4 Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is 7.1 Part: 1/ 4 Part 2 of 4 (b) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place. 0
Jun 07, 2022
SOLUTION.PDF
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here
Have files?