[Solved] A sample of size n = 20 is selected from a normal population to construct a 90% confidence interval estimate for a population mean. The interval
Question: A sample of size n = 20 is selected from a normal population to construct a 90% confidence interval estimate for a population mean. The interval was computed to be (8.70 to 9.00). Determine the sample standard deviation.
Deliverable: Word Document 
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