Question
Consider the following data for a dependent variable y and two independent variables, x1 and x2...
Consider the following data for a dependent variable y and two independent variables, x1 and x2 . x 1 x 2 y 29 13 94 46 11 109 25 17 112 50 16 178 40 6 95 51 19 175 74 7 170 36 13 117 59 13 143 76 17 212 Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. a. Develop an estimated regression equation relating y to x1 . ŷ = + x1 Predict y if x1 = 45. ŷ = b. Develop an estimated regression equation relating y to x2 . ŷ = + x2 Predict y if x2 = 25. ŷ = c. Develop an estimated regression equation relating y to x1 and x2 . ŷ = + x1 + x2 Predict y if x1 = 45 and x2 = 25. ŷ =
Homework Answers
Answer #1
The estimated regression equation relating y to x1 is
The predicted value of y if x1 = 45 is 
The estimated regression equation relating y to x2 is
The predicted value of y if x2 = 25 is 
The estimated regression equation relating y to x1 and x2 is
The predicted value of y if x1 = 45 and x2
= 25 is 
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