full2.gif (11401 bytes)
Visual Summary: 
Computing the Correlation Coefficient Using the Covariance


Before You Begin

Compute the Mean X
Compute the Standard Deviation for X
Compute the Mean for Y
Compute the Standard Deviation Y
Determine n (the number of pairs)
 

ê

 

X                                                          Y
 


í

î

For Every X Compute:


 

For Every Y Compute:


 


î

í

For Every X, Y Pair Compute:


 

ê

 


 

ê

 


 


ê

 

 


[Top of Page] [News] [FAQ] [Hints]
[Course News] [Course Outline] [Chapter Outlines] [Homework] [Practice Tests] [Dr. Vernoy]

Copyright © 2004 by Mark W. Vernoy