Exhibit 16-1
In a regression analysis involving 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.
S_{b1} = 3 | S_{b2} = 6 | S_{b3} = 7 | |
SST = 4,800 | SSE = 1,296 | ||
Refer to Exhibit 16-1. If you want to determine whether or not the
coefficients of the independent variables are significant, the
critical value of t statistic at α = 0.05 is
2.080
2.060
2.064
1.96
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