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Construct a 90% confidence interval to estimate the population mean using the data below. What assumption need to be made about this population ? x=37

Construct a 90% confidence interval to estimate the population mean using the data below. What assumption need to be made about this population ?

x=37 s= 7.7 n= 29

The 90% confidence interval for the population mean is from a lower limit of ___ to an upper limit of ____ .

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