Consider the following sample regressions for the linear, the quadratic, and the cubic models along with their respective r² and adjusted r2. Linear Quadratic Cubic Intercept 9.52 9.86 9.91 2.62 2.71 1.80 NA -0.31 -0.33 NA NA 0.26 0.800 0.824 0.883 Adjusted R2 0.797 0.821 0.882 a. Predict y for x =2 and 5 with each of the estimated models. (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.)

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter4: Estimating Demand
Section: Chapter Questions
Problem 4E
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Consider the following sample regressions for the linear, the quadratic,
and the cubic models along with their respective R2 and adjusted r2.
Linear
Quadratic
Cubic
Intercept
9.52
9.86
9.91
2.62
2.71
1.80
x2
NA
-0.31
-0.33
x3
NA
NA
0.26
R2
0.800
0.824
0.883
Adjusted R2
0.797
0.821
0.882
a. Predict y for x = 2 and 5 with each of the estimated models. (Round
intermediate calculations to at least 4 decimal places and final
answers to 2 decimal places.)
Linear ŷ
Quadratic ŷ
Cubic ý
x = 2
x = 5
Transcribed Image Text:Consider the following sample regressions for the linear, the quadratic, and the cubic models along with their respective R2 and adjusted r2. Linear Quadratic Cubic Intercept 9.52 9.86 9.91 2.62 2.71 1.80 x2 NA -0.31 -0.33 x3 NA NA 0.26 R2 0.800 0.824 0.883 Adjusted R2 0.797 0.821 0.882 a. Predict y for x = 2 and 5 with each of the estimated models. (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.) Linear ŷ Quadratic ŷ Cubic ý x = 2 x = 5
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