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A simple random sample of IQ scores is selected from a normally distributed population of statistics professors. The sample statistics are n=22, x=133, s=9. Determine

A simple random sample of IQ scores is selected from a normally distributed population of statistics professors. The sample statistics are

n=22,

x=133,

s=9.

Determine the critical value of t and the margin of error, and then construct the 95% confidence interval estimate for the population mean.

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