# Question: In developing Procedure 8 1 we assumed that the variable under

In developing Procedure 8.1, we assumed that the variable under consideration is normally distributed.

a. Explain why we needed that assumption.

b. Explain why the procedure yields an approximately correct confidence interval for large samples, regardless of the distribution of the variable under consideration.

a. Explain why we needed that assumption.

b. Explain why the procedure yields an approximately correct confidence interval for large samples, regardless of the distribution of the variable under consideration.

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