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A psychologist wants to estimate the mean of IQ scores. It is widely believed that IQ...

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Statistics

A psychologist wants to estimate the mean of IQ scores. It iswidely believed that IQ scores follow a normal distribution. Herrandom sample of 20 IQ scores has a mean of 97 and a standarddeviation of 17.6 . Find the 95% confidenceinterval for the population mean based on this sample.State the Best point estimate, Margin of Error and Includethe written statement.

please list all the work.

Answer & Explanation Solved by verified expert
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Solution Given that 97s 146n 20Degrees of freedom df n 1 20 1 19a    See Answer
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