Question: Refer to exercise 5.a. Use a = .01 to test the hypotheses225H: B, = B2 = 0Ha: B, and/or B, is not equal to

Refer to exercise 5.a. Use a = .01 to test the hypotheses225H:

Refer to exercise 5.a. Use a = .01 to test the hypotheses225H: B, = B2 = 0Ha: B, and/or B, is not equal to zerofor the model y = Bo + B,x, + B,x2 + e, where*, = television advertising ($1000s)X2 = newspaper advertising ($1000s) Use a = .05 to test the significance of B,. Should x, be dropped from the model? Use a = 05 to test the significance of B,. Should x, be dropped from the model?

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