2-Sample Tests


Two-sample test is a test performed on the data of two random samples, each independently obtained from a different given population. The purpose of the test is to determine whether the difference between these two populations is statistically significant.
List of tests
  • Normality Tests: Shapiro–Wilk Test
  • Test for Homogeneity of Variance: Levene's Test
  • Paired Samples Tests: Paired Samples t-Test, Wilcoxon Signed-Rank Test
  • Independent Samples Tests: Independent Samples t-Test, Mann–Whitney U Test,
    Kolmogorov-Smirnov Test
Sample 1Sample 2
Paired Samples