In the formula
,the subscript $\alpha$ / 2 refers to the area in the lower tail or upper tail of the sampling distribution of the sample mean.

Name: In the formula ,the subscript $\alpha$ / 2 refers to the area in the lower tail or upper tail of the sampling distribution of the sample mean.
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Question

In the formula 
 ,the subscript $\alpha$ / 2 refers to the area in the lower tail or upper tail of the sampling distribution of the sample mean.

Quizplus · Accepted Answer

The subscript α/2 refers to the area in both the lower and upper tails of the sampling distribution of the sample mean, as it is a two-tailed confidence interval.

In the Formula ,The Subscript α\alphaα / 2 Refers to the Area in the Lower Tail

In the Formula
,The Subscript $\alpha$ / 2 Refers to the Area in the Lower Tail