(Answered) A sociologist wants to know the average number of times

Statistics

A sociologist wants to know the average number of times families eat out per week. Data was collected from 50 families. The sample mean is 4.4 meals per week with a sample standard deviation of 2.2. Construct a 95% confidence interval to estimate the population mean.

With the same information refigure but assume 2.2 is the POPULATION standard deviation.

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