Refer to the association you investigated in Exercise 12 8 between
Refer to the association you investigated in Exercise 12.8 between skipping class and college GPA. Using software or a calculator with the data file you constructed for that exercise,
a. Find the mean and standard deviation of each variable.
b. Report the slope of the prediction equation and the correlation.
c. Show how to find the correlation from the slope and the standard deviations.
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