Use Computer Software to Find the Best Multiple Regression Equation $\mathrm { X } _ { 1 } , \mathrm { X } _ { 2 } , \mathrm { X } _ { 3 }$

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, $\mathrm { X } _ { 1 } , \mathrm { X } _ { 2 } , \mathrm { X } _ { 3 }$
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A) $\hat { \mathrm { Y } } = - 21.1 + 0.36 \mathrm { X } _ { 1 } + 2.62 \mathrm { X } _ { 2 } + 27.6 \mathrm { X } _ { 3 }$
B) $\hat { \mathrm { Y } } = 308.6 + 29.9 X _ { 3 }$
C) $\hat { \mathrm { Y } } = 201.7 + 0.40 \mathrm { X } _ { 1 } + 22.3 \mathrm { X } _ { 3 }$
D) $\hat { \mathrm { Y } } = 57.8 + 0.036 \mathrm { X } _ { 1 } + 28.1 \mathrm { X } _ { 3 }$