Question: Consider the linear regression equation for math10 with expend, enroll, and lnchprg as predictors. Extend this linear regression equation to allow for the possibility that

Consider the linear regression equation for math10 with expend, enroll, and lnchprg as predictors. Extend this linear regression equation to allow for the possibility that the marginal effect of student enrolment on math pass rate varies by whether a school has more than 100 staff members per 1000 students or not. Write down the extended model

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