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Use Computer Software to Find the Best Multiple Regression Equation YY

Question 9

Multiple Choice

Use computer software to find the best multiple regression equation to explain the variation in the dependent variable, YY , in terms of the independent variables, X1,X2,X3X _ { 1 } , X _ { 2 } , X _ { 3 } .
YX1X2151.216151.216171.01660.8910.1180.88100.810171.016151.215110.79181.418161.015100.8970.55181.116 CORRELATION COEFFICIENT Y/X1=0.886Y/X2=0.965 COEFFICIENTS OF DETERMINATION Y/X2=0.932Y/X2,X1=0.943\begin{array}{l}\begin{array}{lll}Y & X_{1} & X_{2} \\15 & 1.2 & 16 \\15 & 1.2 & 16 \\17 & 1.0 & 16 \\6 & 0.8 & 9 \\1 & 0.1 & 1 \\8 & 0.8 & 8 \\10 & 0.8 & 10 \\17 & 1.0 & 16 \\15 & 1.2 & 15 \\11 & 0.7 & 9 \\18 & 1.4 & 18 \\16 & 1.0 & 15 \\10 & 0.8 & 9 \\7 & 0.5 & 5 \\18 & 1.1 & 16\end{array}\begin{array}{c}\text { CORRELATION COEFFICIENT }\\\\Y / X_{1}=0.886\\Y / X_{2}=0.965\\\\\\\text { COEFFICIENTS OF DETERMINATION }\\\\Y / X_{2}=0.932\\Y / X_{2}, X_{1}=0.943\\\end{array}\end{array}


A) Y^=0.42+0.99X2\hat { Y } = 0.42 + 0.99 X _ { 2 }
B) Y^=1.385.53X1+1.33X2\hat { Y } = 1.38 - 5.53 X _ { 1 } + 1.33 X _ { 2 }
C) Y^=1.251.55X1+5.79X2\hat { Y } = 1.25 - 1.55 X _ { 1 } + 5.79 X _ { 2 }
D) Y^=0.49+14.07X1\hat { Y } = - 0.49 + 14.07 X _ { 1 }

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