Exhibit 12-4
Regression Analysis Was Applied Between Sales Data Y $\hat { Y }$

Multiple Choice

Exhibit 12-4
Regression analysis was applied between sales data Y in $1,000s) and advertising data x in $100s) and the following information was obtained.
= 12 + 1.8 x
$\hat { Y }$ n = 17
SSR = 225
SSE = 75
Sb₁ = 0.2683
-Refer to Exhibit 12-4. The t statistic for testing the significance of the slope is

A) 1.80
B) 1.96
C) 6.708
D) 0.555