What is the correlation coefficient?   Multiple Choice   −0.128   0.016   0.651   −0.053

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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An instructor is wondering if students who spend more time taking their final exam do better than those who take less time. The following data is gathered.
 

Minutes 57 47 36 83 86 117 87 62 87 86 68 106 95 72 95
Score 96 92 92 77 96 96 81 85 88 96 70 81 77 74 77

 
What is the correlation coefficient?

 

Multiple Choice
  •  
    −0.128
  •  
    0.016
  •  
    0.651
  •  
    −0.053
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