Question: Assume that a sample is used to estimate a population mean . Find the 80% confidence interval for a sample of size 61 with a

Assume that a sample is used to estimate a population mean . Find the 80% confidence interval for a sample of size 61 with a mean of 33.8 and a standard deviation of 21.4. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places. 80% C.I. = The answer should be obtained without any preliminary rounding.

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