Question: 16.5 Critical values. What critical value t* from Table C would you use for a confidence interval for the mean of the population in each

16.5 Critical values. What critical value t* from Table C would you use for a confidence interval for the mean of the population in each of the following situations?

(a) A 95% confidence interval based on n = 10 observations.

(b) A 99% confidence interval from an SRS of 20 observations.

(c) A 90% confidence interval from a sample of size 7.

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