Question: A school administrator believes that the mean class GPAs for a given course are higher than the preferred mean of 2.75 at a significance level

A school administrator believes that the mean class GPAs for a given course are higher than the preferred mean of 2.75

at a significance level of 0.05

, and checks a randomly chosen sample of 50

classes. Create a histogram, and calculate x

, the t

-statistic, and the p

-value.

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