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Use Computer Software to Obtain the Multiple Regression Equation and Identify

Question 145

Multiple Choice

Use computer software to obtain the multiple regression equation and identify R R2\mathrm { R } ^ { 2 } , adjusted R R2\mathrm { R } ^ { 2 } , and the P-value.
-A wildlife analyst gathered the data in the table to develop an equation to predict the weights of bears. He used WEIGHT as the dependent variable and CHEST, LENGTH, and SEX as the independent variables. For SEX, he
Used male=1 and female=2.  WEIGHT  CHEST  LENGTH  SEX 34445.067.5141654.072.0122041.070.0236049.068.5133244.073.0114032.063.0243648.072.0113233.061.0235648.064.0215035.059.0120240.063.0236550.070.51\begin{array} { | c c c c | } \hline \text { WEIGHT } & \text { CHEST } & \text { LENGTH } & \text { SEX } \\\hline 344 & 45.0 & 67.5 & 1 \\416 & 54.0 & 72.0 & 1 \\220 & 41.0 & 70.0 & 2 \\360 & 49.0 & 68.5 & 1 \\332 & 44.0 & 73.0 & 1 \\140 & 32.0 & 63.0 & 2 \\436 & 48.0 & 72.0 & 1 \\132 & 33.0 & 61.0 & 2 \\356 & 48.0 & 64.0 & 2 \\150 & 35.0 & 59.0 & 1 \\202 & 40.0 & 63.0 & 2 \\365 & 50.0 & 70.5 & 1 \\\hline\end{array}


A) 0.971, 0.723, 0.000
B) 0.891, 0.926, 0.003
C) 0.725, 0.961, 0.014
D) 0.927, 0.900, 0.000

Correct Answer:

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