Suppose You Estimate the Sample Regression Function $tes\widehat { t~ sco}re _ { i } = 56.78 + 12.36 \cdot A g e _ { i } + 4.82 \cdot \text { Senior } _ { i }$

Multiple Choice

Suppose you estimate the sample regression function
$tes\widehat { t~ sco}re _ { i } = 56.78 + 12.36 \cdot A g e _ { i } + 4.82 \cdot \text { Senior } _ { i }$
You would conclude that,holding age constant,the average test score for juniors is

A) 4.82.
B) 56.78.
C) 61.60.
D) 69.14.