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your instructor recruits n=28 people into the lab. you will administer a new drug in to improve hearing. your sample reports a mean of 68.
your instructor recruits n=28 people into the lab. you will administer a new drug in to improve hearing. your sample reports a mean of 68.
population values are population mean= 65 and population SD= 5 (alpha .01, two-tailed)
what is the null and alternative hypothesis?
what is the critical value?
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