Which of the following is the best interpretation of the coefficient of determination r2?
Which of the following is the best interpretation of the coefficient of determination r2?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![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
2.965
0.046
Arm span
0.186
0.035
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 r2?
O About 37% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
About 65% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
About 63% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
About 63% of the variation in foot length is accounted for by the linear relationship formed with the arm span.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f5c6cb5-f2be-4c74-90c0-6ad55dd21eec%2Ff132eaff-13ef-4114-87ef-732159697654%2Fruu4ue8_processed.png&w=3840&q=75)
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
-7.611
2.567
2.965
0.046
Arm span
0.186
0.035
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 r2?
O About 37% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
About 65% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
About 63% of the variation in arm span is accounted for by the linear relationship formed with the foot length.
About 63% of the variation in foot length is accounted for by the linear relationship formed with the arm span.
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