A study askedrespondents, "If evermarried, how old were you when you firstmarried?" The results are summarized in the technology excerpt that follows. Complete parts(a) through(d) below.

One-Sample T: AGEWED

Variable

N

Mean

StDev

SE Mean

95

95.0% CI

AGEWED

26130

26130

22.92

22.920

4.739

4.739

0.029

0.029

(22.863

22.863, 22.977

22.977)

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Click the icon to view the table of criticalt-values.

(a) Use the summary to determine the point estimate of the population mean and margin of error for the confidence interval.