Question: Find the critical value t2 needed to construct a confidence interval of the given level with the given sample size. a. Level 95%, sample size

Find the critical value tα∕2 needed to construct a confidence interval of the given level with the given sample size.

a. Level 95%, sample size 23

b. Level 90%, sample size 3

c. Level 98%, sample size 18

d. Level 99%, sample size 29

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