A study asked respondents, "If ever married, how old were you when you first married?" The results are summarized in the technology excerpt that follows. Complete parts (a) through (d) below. One-Sample T: AGEWED Mean StDev SE Mean Variable 95.0% CI AGEWED 26790 23.070 4.991 0.030 (23.010, 23.130) Click the icon to view the table of critical t-values. E= 0.06 (Type an integer or a decimal. Do not round.) (b) Interpret the confidence interval, O A. One can be 95% confident that the mean age of people when first married is 23.070 years. O B. One can be 95% confident that the mean age of people when first married is between 23.010 and 23.130 years. O c. There is a 95% probability that the mean age of people when first married is 23.070 years. O D. There is a 95% probability that the mean age of people when first married is between 23.010 and 23.130 years. (c) Verify the results by computing a 95% confidence interval with the information provided. Begin with the lower bound. 4.991 (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Topic Video
Question

just part c thank you!

A study asked respondents, "If ever married, how old were you when you first married?" The results are summarized in the technology excerpt that follows. Complete parts (a) through (d) below.
One-Sample T: AGEWED
N Mean StDev SE Mean
26790 23.070
95.0% CI
0.030 (23.010, 23.130)
Variable
AGEWED
4.991
Click the icon to view the table of critical t-values.
E= 0.06 (Type an integer or a decimal. Do not round.)
(b) Interpret the confidence interval.
O A. One can be 95% confident that the mean age of people when first married is 23.070 years.
O B. One can be 95% confident that the mean age of people when first married is between 23.010 and 23.130 years.
O C. There is a 95% probability that the mean age of people when first married is 23.070 years.
O D. There is a 95% probability that the mean age of people when first married is between 23.010 and 23.130 years.
(c) Verify the results by computing a 95% confidence interval with the information provided.
Begin with the lower bound.
4.991
(Round to three decimal places as needed.)
Transcribed Image Text:A study asked respondents, "If ever married, how old were you when you first married?" The results are summarized in the technology excerpt that follows. Complete parts (a) through (d) below. One-Sample T: AGEWED N Mean StDev SE Mean 26790 23.070 95.0% CI 0.030 (23.010, 23.130) Variable AGEWED 4.991 Click the icon to view the table of critical t-values. E= 0.06 (Type an integer or a decimal. Do not round.) (b) Interpret the confidence interval. O A. One can be 95% confident that the mean age of people when first married is 23.070 years. O B. One can be 95% confident that the mean age of people when first married is between 23.010 and 23.130 years. O C. There is a 95% probability that the mean age of people when first married is 23.070 years. O D. There is a 95% probability that the mean age of people when first married is between 23.010 and 23.130 years. (c) Verify the results by computing a 95% confidence interval with the information provided. Begin with the lower bound. 4.991 (Round to three decimal places as needed.)
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