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You want to compute a $95\%$ confidence interval for the mean population with an unknown standard deviation. The data is collected from an SRS of $25$ observations, and it is approximately normal.

What critical value would we need for the $95\%$ confidence interval?

A

$1.711$

B

$1.96$

C

$2.056$

D

$2.06$

E

$2.064$

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