Population mean for annual amount paid for college

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Consider a sample of 1263 families selected in an SRS. The sample mean annual amount that the family paid for college was $18988. Assume that the population standard deviation for amount paid for college is $8311. Using the appropriate critical value z*, find the 90% confidence interval for the population mean for annual amount paid for college. In your answer, type the lower endpoint of this confidence interval.

Round your answer to the nearest dollar.

Reference no: EM131945246

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