y -3 -63 -2.5 -46 -1.7 -2 -1.05 -7 -0.35 -12 0.35 -6 1.1 3 1.75 20 2.45 25 3.2 8 3.75 16

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Perform rank correlation analysis on the following data set:

 

x y
-3 -63
-2.5 -46
-1.7 -2
-1.05 -7
-0.35 -12
0.35 -6
1.1 3
1.75 20
2.45 25
3.2 8
3.75 16

 

What is the rank correlation coefficient?  (Round to three decimal places.)

What is the critical rho value at a 0.01 significance? 

Do we have correlation?

  • No, the rank correlation coefficient is larger (in absolute value) than the critical rho value.
  • No, the rank correlation coefficient is smaller (in absolute value) than the critical rho value.
  • Yes, the rank correlation coefficient is smaller (in absolute value) than the critical rho value.
  • Yes, the rank correlation coefficient is larger (in absolute value) than the critical rho value.

 

 

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