Question: can someone explain this question with working? 3. A credit union with 100 employees analysed the time (in minutes) that employees took for lunch. The

can someone explain this question with working?

3. A credit union with 100 employees analysed the time (in minutes) that employees took for lunch. The population mean and standard deviation were 82 and 18, respectively. Find the mean and the standard deviation of the sampling distribution for a random sample of: a. 5 employees b. 25 employees

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