CHS 627: Multivariate Methods in Health Statistics
Choosing the Correct Statistical Test
Number
Dependent* Variables 
of Independent** Variables 
of Dependent Variable(s) 
of Independent Variable(s) 
Measure 


(1 population) 

(none) 










(2 independent populations) 







Wilcoxon rank sum test 



Fisher's Exact test 

(1 population measured twice) or 1 (2 matched populations) 

categorical 











(3 or more populations) 













(e.g., 2way ANOVA) 













(1 population measured 3 or more times) 







continuous 
simple linear regression 
























General Linear Models (regression) 


















2 or more 










* outcome ** predictor

Page editor is Julia Hartman.
Last modified December 1, 2000.
The information in this site is current through August 15, 2000.
Although the authors of this Web site have made every reasonable effort to be factually accurate, no responsibility is assumed for editorial or clerical errors or error occasioned by honest mistake. All information contained on this Web site is subject to change by the appropriate officials of The University of Alabama without prior notice. Material on this Web site does not serve as a contract between The University of Alabama and any other party.