The arm span and foot length were both measured (in centimeters) for each of 20 students in a biology class. The computer output displays the regression analysis. Predictor Coef SE Coef t-ratio Constant -7.611 2.567 0.186 0.035 2.965 0.046 Arm span - 5.377 0.000 S = 1.61 R-Sq 63.0% R-Sq (Adj) = 64.9% Which of the following is the best interpretation of the coefficient of determination 2? O About 37% of the variation in arm span is accounted for by the linear relationship formed with the foot length. O About 65% of the variation in foot length is accounted for by the linear relationship formed with the arm span. O About 63% of the variation in arm span is accounted for by the linear relationship formed with the foot length. O About 63% of the variation in foot length is accounted for by the linear relationship formed with the arm span.

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The arm span and foot length were both measured (in centimeters) for each of 20 students in a biology class. The
computer output displays the regression analysis.
Predictor
Coef SE Coef
t-ratio
Constant
Arm span
-7.611 2.567
2.965
0.046
0.186 0.035
5.377
0.000
S = 1.61
R-Sq = 63.08
R-Sq (Adj) = 64.98
Which of the following is the best interpretation of the coefficient of determination 2?
O About 37% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
O About 65% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
O About 63% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
O About 63% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
Transcribed Image Text:The arm span and foot length were both measured (in centimeters) for each of 20 students in a biology class. The computer output displays the regression analysis. Predictor Coef SE Coef t-ratio Constant Arm span -7.611 2.567 2.965 0.046 0.186 0.035 5.377 0.000 S = 1.61 R-Sq = 63.08 R-Sq (Adj) = 64.98 Which of the following is the best interpretation of the coefficient of determination 2? O About 37% of the variation in arm span is accounted for by the linear relationship formed with the foot length. O About 65% of the variation in foot length is accounted for by the linear relationship formed with the arm span. O About 63% of the variation in arm span is accounted for by the linear relationship formed with the foot length. O About 63% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
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