Use the data described in Exercise 11 to estimate a
Use the data described in Exercise 11 to estimate a linear regression model with Math as the response variable and GPA and Gender as the explanatory variables.
a. Compute the predicted math score for a male student with a GPA of 3.5. Repeat the computation for a female student.
b. Perform a test to determine if there is a statistically significant gender difference in math scores at the 5% level.

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