T- Test for Independent Samples
2 Groups/ 2 Data
Comparing 2
Groups/ Data
Parametric Data
Comparing 3 or
more Groups/
Data
Looking for
Differences
in their
means
ANOVA
Mann- Whitney U
2 Groups/ 2 Data
Comparing 2
Groups/ Data
Type Of
Data
T- Test for Paired Samples
1 Group/ 2 Data
Non- Parametric
Data
Comparing 3 or
more Groups/
Data
Wilcoxon Test
1 Group/ 2 Data
Kruskal- Wallis Test
Interval/ Ratio
Cochran Q
Nominal
Parametric Data
Looking for
relationship
between
variables
Pearson- r /
Linear Regression
Interval/ Ratio
Chi- Square Test
Nominal
Non- Parametric
Data
Spearman Rank
Ordinal
Friedman 2- Way ANOVA
Ordinal