Exhibit 15-3
In a regression model involving 30 observations, the following estimated regression equation was obtained: For this model SSR = 700 and SSE = 100.
-Refer to Exhibit 15-3. The coefficient of determination for the above model is approximately
A)-0.875
B)0.875
C)0.125
D)0.144

Question

Exhibit 15-3
In a regression model involving 30 observations, the following estimated regression equation was obtained:  For this model SSR = 700 and SSE = 100.
-Refer to Exhibit 15-3. The coefficient of determination for the above model is approximately
A)-0.875 
B)0.875 
C)0.125 
D)0.144

Quizplus · Accepted Answer

The coefficient of determination is given by R-squared = SSR / SST, where SST = SSR + SSE. Therefore, R-squared = 700 / (700 + 100) = 0.875.

Exhibit 15-3 In a Regression Model Involving 30 Observations, the Following Estimated