# SOLUTION: Find the mean and standard deviation of a set of grades between 68 and 86. They are within 3 standard deviations of the mean if it is normally distributed.

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 Question 612546: Find the mean and standard deviation of a set of grades between 68 and 86. They are within 3 standard deviations of the mean if it is normally distributed.Answer by solver91311(17077)   (Show Source): You can put this solution on YOUR website! Where is your data set? John My calculator said it, I believe it, that settles it