The Following Estimated Regression Equation Was Developed Relating Yearly Income $\hat { y }$

Multiple Choice

The following estimated regression equation was developed relating yearly income (y in $1000s) of 30 individuals with their age (x₁) and their gender (x₂) (0 if male and 1 if female) . $\hat { y }$ = 30 + .7x₁ + 3x₂

Also provided are SST = 1200 and SSE = 384.The multiple coefficient of determination is

A) .32.
B) .42.
C) .68.
D) .50.