Question: 8.31 Using t-table Using Table B, the web app, software or a calculator, report the t-score that you multiply by the standard error to form

8.31 Using t-table Using Table B, the web app, software or a calculator, report the t-score that you multiply by the standard error to form the margin of error for a

a. 95% confidence interval for a mean with 5 observations.

b. 95% confidence interval for a mean with 15 observations.

c. 99% confidence interval for a mean with 15 observations.

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