Mathematics, 08.04.2020 03:36 rafi10

He company is interested in testing whether the mean weight is significantly different from 8 ounces and wants to perform a significance test at the 5% level taking a sample of size 40. What range of values of the sample mean ( will result in significant evidence that the mean 푋)bar weight is different from 8 ounces? (Assume a population standard deviation of bar weights of .)

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