StatsTest Blog
Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.
Mann-Whitney U Test
The Mann-Whitney U Test compares two different groups on your variable of interest (dependent variable) when your variable of interest is skewed.
Wilcoxon Signed-Rank Test
The Wilcoxon Signed-Rank Test is a test used to determine if 2 continuous measurements from a single group are significantly different from each other.
Independent Samples Z-Test
An independent samples z-test is used to determine if 2 groups are significantly different from each other on your variable of interest.
Paired Samples T-Test
The paired samples t-test is a statistical test used to determine if two observations from the same group are significantly different from each other.
Paired Samples Z-Test
The Paired Samples Z-Test is a test used to determine if 2 paired groups are different from each other on a variable of interest.
Independent Samples T-Test
You should use an independent samples t-test to determine if 2 groups are significantly different from each other on your variable of interest.