The General Social Survey asked respondents, If ever married, how old were you when you first married?
Question:
The General Social Survey asked respondents, "If ever married, how old were you when you first married?" The results are summarized in the Minitab output that follows:
One-Sample T: AGEWED
Variable ............ N..... Mean..... StDev..... SE Mean....... 95.0% CI
AGEWED..... 26540 ...22.150.....4.885..........0.030..... (22.091, 22.209)
(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) Verify the results by computing a 95% confidence interval with the information provided.
(d) Why is the margin of error for this confidence interval so small?
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a b We are 95 confident that the mean age o...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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