7) Use computer software to find the best multiple regression equation to explain the variation in the dependent variable, Y, in terms of the independent variables, X1, X2, X3. 7)_ х, X2 98.6 101.2 87.4 97.6 108.5 110.1 102.4 96.7 110.4 CORRELATION COEFFICIENTS 100.9 98.2 104.3 Y/ X1 = 0.850 Y/ X2 = 0.742 102.3 99.8 107.2 101.5 100.5 105.8 101.6 103.2 107.8 101.6 107.8 103.4 99.8 96.6 102.7 88.9 COEFFICIENT OF DETERMINATION 100.3 104.1 YI X1 = 0.723 Y/ X2 = 0.550 YI X1, X2 = 0.867 99.2 %3D 97.6 75.1 97.2 76.9 99.7 97.3 84.6 102.0 96.0 90.6 94.3 99.2 103.1 97.7 100.3 105.1 101.1 102.3 100.3 96.4 104.1 104.4 104.4 105.3 110.7 108.5 107.6 127.1 111.3 B) Ý = 58.9+0.612X1 A) Ý = 57.6+0.153X, +0.270X2 C) Ý = 52.6+0.462X2 %3D D) Ý = 48.0+0.398X, +0.228X2 %3D
7) Use computer software to find the best multiple regression equation to explain the variation in the dependent variable, Y, in terms of the independent variables, X1, X2, X3. 7)_ х, X2 98.6 101.2 87.4 97.6 108.5 110.1 102.4 96.7 110.4 CORRELATION COEFFICIENTS 100.9 98.2 104.3 Y/ X1 = 0.850 Y/ X2 = 0.742 102.3 99.8 107.2 101.5 100.5 105.8 101.6 103.2 107.8 101.6 107.8 103.4 99.8 96.6 102.7 88.9 COEFFICIENT OF DETERMINATION 100.3 104.1 YI X1 = 0.723 Y/ X2 = 0.550 YI X1, X2 = 0.867 99.2 %3D 97.6 75.1 97.2 76.9 99.7 97.3 84.6 102.0 96.0 90.6 94.3 99.2 103.1 97.7 100.3 105.1 101.1 102.3 100.3 96.4 104.1 104.4 104.4 105.3 110.7 108.5 107.6 127.1 111.3 B) Ý = 58.9+0.612X1 A) Ý = 57.6+0.153X, +0.270X2 C) Ý = 52.6+0.462X2 %3D D) Ý = 48.0+0.398X, +0.228X2 %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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