Suppose You Estimate the Sample Regression Function $$Midt\widehat {erm ~Sc}ore = 62.33 + 4.62 \cdot \text { Time Taken } - 0.038 \cdot \text { Time Taken } { } ^ { 2 }$$

Multiple Choice

Suppose you estimate the sample regression function $$Midt\widehat {erm ~Sc}ore = 62.33 + 4.62 \cdot \text { Time Taken } - 0.038 \cdot \text { Time Taken } { } ^ { 2 }$$
You should conclude that the marginal effect of time taken on midterm score is _____ for a student going from 48 minutes to 49 minutes to complete the exam.

A) 0.972
B) 4.582
C) 4.62
D) 221.76