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Suppose you start up a company that has the developed a drug that is supposed to...

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Basic Math

Suppose you start up a company that has the developeda drug that is supposed to increase IQ.   You know thatthe standard deviation of IQ in the general population is 45. Youtest your drugs on 36 patients and obtain I mean IQ of 103. Using aalpha value of 0.05, is this IQ significantly different from thepopulation mean of 100?

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3.6 Ratings (537 Votes)
Population standard deviation is known so we will use zdistribution for calculationIt is given that population standard deviation 45population mean andsample mean 103sample    See Answer
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