Correlation Coefficient

Biostatistics BI 45, Saint Anselm College


This page contains the mechanics of linear correlation analysis:

Statistical hypotheses


Decision rules to reject/not reject the null hypothesis


Correlation Coefficient Formula





Statistical Hypotheses for Two-Tailed Tests




Critical Values and Comparisons for a two-tailed test: 3 Test Options


Option 1) critical values of r from a table of critical r values




Option 2) F test (df=n-2, n-2)




Option 3) t test (df=n-2)


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Trademark and Disclaimers

Copyright © 2001 Jay Pitocchelli. All rights reserved. The contents of this page are the intellectual property of Dr. Jay Pitocchelli for distribution to students enrolled in Biostatistics BI 45 at Saint Anselm College. These pages may not be copied, photocopied, reproduced, translated, or published in any electronic or machine-readable form in whole or in part without prior written approval of Jay Pitocchelli. Students enrolled in Biostatistics BI 45 at Saint Anselm College have permission to print this material for their lecture notes. All formulae and critical values from: Zar, J. H. 1999. Biostatistical Analysis. (4th ed.). New Jersey, Prentice Hall.