Question: The General Social Survey asked respondents, If ever married, how old were you when you first married?" The summary statistics of the sample data is given below: Sample size Sample mean Sample std. dev. 4.885 22.15 26540 The results for interval estimate of the mean age of first marriage are summarized in the StatCrunch output that follows: One sample T summary confidence interval: :Mean of population 95% confidence interval results: Mean Sample Mean Std. Err. U. Limit DF L. Limit 22.15 0.029985694 26539 22.091226 22.208774 (a) Use the summary to determine the point estimate of the population mean and margin of error for the confidence interval. (b) Interpret the confidence interval (c) Find the critical t-value for constructing a 95% confidence interval for the population mean with the degree of freedom given in the summary.
Question: The General Social Survey asked respondents, If ever married, how old were you when you first married?" The summary statistics of the sample data is given below: Sample size Sample mean Sample std. dev. 4.885 22.15 26540 The results for interval estimate of the mean age of first marriage are summarized in the StatCrunch output that follows: One sample T summary confidence interval: :Mean of population 95% confidence interval results: Mean Sample Mean Std. Err. U. Limit DF L. Limit 22.15 0.029985694 26539 22.091226 22.208774 (a) Use the summary to determine the point estimate of the population mean and margin of error for the confidence interval. (b) Interpret the confidence interval (c) Find the critical t-value for constructing a 95% confidence interval for the population mean with the degree of freedom given in the summary.
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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