Question: QUESTION 19 1 Refer to problem 18. Now add 2 squared terms giving you a second order model. y = + 1X1 + 2X2 +

QUESTION 19 1 Refer to problem 18. Now add 2 squared terms giving you a second order model. y = + 1X1 + 2X2 + 3X12 + 4X22 + . Now with n =125, SSE = 334, What is your conclusion when testing if the squared terms are significant when taken together? A. they are not significant B. they are significant C. the result is inclusive D. none of these

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