Question

Answer the following questions using the data from Problem 14.69:
a. Calculate the coefficient of determination.
b. Using α = 0.05, test the significance of the population coefficient of determination.
c. Construct a 95% confidence interval for the average grade of students who missed two classes.
d. Construct a 95% prediction interval for the grade of a student who missed two classes.
e. Verify your results from parts c and d with PHStat.
In Problem

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• CreatedJuly 29, 2015
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