Exhibit 14-4
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
n = 17
SSR = 225
SSE = 75
S b1 = 0.2683
-Refer to Exhibit 14-4. The critical t value for testing the significance of the slope at 95% confidence is
A)1.753
B)2.131
C)1.746
D)2.120

Question

Exhibit 14-4
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
n = 17
SSR = 225
SSE = 75
S b1 = 0.2683
-Refer to Exhibit 14-4. The critical t value for testing the significance of the slope at 95% confidence is
A)1.753 
B)2.131 
C)1.746 
D)2.120

Quizplus · Accepted Answer

The critical t-value at 95% confidence and 15 degrees of freedom (n-2) is 2.131.

Exhibit 14-4 Regression Analysis Was Applied Between Sales Data (Y in $1,000s)