In a regression analysis of a first-order model involving 3 predictor variables and 25 observations, the following estimated regression equation was developed.
?
= 12 - 18x1 + 4x2 + 15x3
?
Also, the following standard errors and the sum of squares were obtained.
sb1 = 3sb2 = 6sb3 = 7SST = 4900SSE = 1296
The multiple coefficient of determination is
A. .23.
B. .74.
C. .50.
D. .33.
Answer: B
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