What is the estimated freshman gpa for a student

Reference no: EM131409470

Interested in the possible relationship between the size of his tip versus the size of the check and the number of diners in the party, a food server has recorded the following for a sample of 8 checks:

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a. Determine the multiple regression equation and interpret the partial regression coefficients.

b. What is the estimated freshman GPA for a student who scored 1100 on the SAT exam and had a cumulative class rank of 80%?

c. Determine the 95% prediction interval for the GPA of the student described in part (b).

d. Determine the 95% confidence interval for the mean GPA of all students similar to the one described in part (b).

e. Determine the 95% confidence interval for the population partial regression coefficients, 1 and 2.

f. Interpret the significance tests in the computer printout.

g. Analyze the residuals. Does the analysis support the applicability of the multiple regression model to these data?

Reference no: EM131409470

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