Exhibit 13-8
the Following Estimated Regression Model Was Developed Relating $\hat { Y }$

Multiple Choice

Exhibit 13-8
The following estimated regression model was developed relating yearly income Y in $1,000s) of 30 individuals with their age X1) and their gender X2) 0 if male and 1 if female) .
$\hat { Y }$ =30+0.7X1+3X2
Also provided are SST = 1,200 and SSE = 384.
-Refer to Exhibit 13-8. The multiple coefficient of determination is

A) 0.32
B) 0.42
C) 0.68
D) 0.50