Question: Find the critical values (21-/2 and (2/2 required to construct a confidence interval for s for the given level of confidence and sample size. (a)

Find the critical values (21-α/2 and (2α/2 required to construct a confidence interval for s for the given level of confidence and sample size.
(a) 95% confidence; n = 22
(b) 99% confidence; n = 12

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