In a regression analysis of a first-order model involving 3 predictor variables and 25 observations, the following estimated regression equation was developed. y = 10 - 18x1 + 3x2 + 14x3 Also, the following standard errors and the sum of squares were obtained. sb1 = 3 sb2 = 6 sb3 = 7 SST = 4800 SSE = 1296 The test statistic for testing the significance of the model is
a. .73.
b. 18.93.
c. 3.70.
d. 1.37.
b
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Indicate whether the statement is true or false