Mathematics, 25.10.2019 19:43 kimhoss2

Aresearcher draws a population of 40 adults from a city and administers an iq test (which is known to have a population mean of 100 and population standard deviation of 15). his sample mean is 108. what is the 95 percent confidence interval for this result?

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Aresearcher draws a population of 40 adults from a city and administers an iq test (which is known t...