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
icon
Related questions
Question
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.
Transcribed Image Text: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.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman