Consider the Following Proposed Determining Function for a Student's Grade

Multiple Choice

Consider the following proposed determining function for a student's grade on the econometrics final, FinalGrade_i = 68 + 4 HoursStudied_i - 2 Num Other Finals_i + U_i, where hours studied is the number of hours studied during finals week by student i, and number of other finals is the number of other finals student i has during finals week. Derive the formula for the change in a student's final grade with respect to a unit change in the number of other finals the student has in finals week.

A) Final Grade equals 66.
B) Final Grade increases by 4.
C) Final Grade decreases by 2.
D) Final Grade increases by 2.