Hypothesis Testing and 99% Confidence Intervals
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Please help answer the following questions. Provide your answers in Excel.
14. In a 2-tail hypothesis test on a population mean, what is the p-value or OSL of the hypothesis test if the calculated test statistic based on 11 observations is 3.169 and the pop. variance is unknown?
15. How large of a sample would be required to estimate the average cost of a medium-sized house to within $2000 with a 99% confidence interval if the range of house prices is $39,000?
16. If a 99% confidence interval based on a large sample to estimate a population mean is 686,898, what is the value of the standard error of the point estimate for the population mean?
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The following posting involves statistics problems. This solution provides answers in Excel for hypothesis testing.
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14 14. In a 2-tail hypothesis test on a population mean, what is the p-value or OSL of the hypothesis test if the calculated test statistic based on 11 observations is 3.169 and the pop. variance is ...
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