# Question: Referring to the least squares regression equation and printout obtained in

Referring to the least-squares regression equation and printout obtained in Exercise 16.19:

a. At the 0.05 level, is the overall regression equation significant?

b. Use the 0.05 level in concluding whether each partial regression coefficient differs significantly from zero.

a. At the 0.05 level, is the overall regression equation significant?

b. Use the 0.05 level in concluding whether each partial regression coefficient differs significantly from zero.

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