Refer to the data presented in exercise 2 The estimated
Refer to the data presented in exercise 2. The estimated regression equation for these data is
y = – 218.37 + 2.01x1 + 4.74x2
Here SST = 15,182.9, SSR = 14,052.2, sb1 = .2471, and sb2 = .9484.
a. Test for a significant relationship among x1, x2, and y. Use α = .05.
b. Is β1 significant? Use α = .05.
c. Is β2 significant? Use α = .05.

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