

Goal 
Measurement (from Gaussian Population) 
Rank, Score, or Measurement (from Non Gaussian Population) 
Binomial
(Two Possible Outcomes) 
Survival Time 
Describe one group 
Mean, SD 
Median, interquartile range 
Proportion 
Kaplan Meier survival curve 
Compare one group to a hypothetical value 
Onesample t test 
Wilcoxon test 
Chisquare
or
Binomial test ** 

Compare two unpaired groups 
Unpaired t test 
MannWhitney test 
Fisher's test
(chisquare for large samples) 
Logrank test or MantelHaenszel* 
Compare two paired groups 
Paired t test 
Wilcoxon test 
McNemar's test 
Conditional proportional hazards regression* 
Compare three or more unmatched groups 
Oneway ANOVA 
KruskalWallis test 
Chisquare test 
Cox proportional hazard regression** 
Compare three or more matched groups 
Repeatedmeasures ANOVA 
Friedman test 
Cochrane Q** 
Conditional proportional hazards regression** 
Quantify association between two variables 
Pearson correlation 
Spearman correlation 
Contingency coefficients** 

Predict value from another measured variable 
Simple linear regression
or
Nonlinear regression 
Nonparametric regression** 
Simple logistic regression* 
Cox proportional hazard regression* 
Predict value from several measured or binomial variables 
Multiple linear regression*
or
Multiple nonlinear regression** 

Multiple logistic regression* 
Cox proportional hazard regression* 