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What is Nonparametric Tests Overview about?

The Kruskal-Wallis test is a nonparametric test that can be used to determine if there are statistically significant differences between the medians of three or more groups. It works by ranking all observations from lowest to highest and computing rank sums for each group, then uses a chi-square distribution to calculate a test statistic to compare to critical values. If the test statistic is greater than or equal to the critical value, the null hypothesis that all population medians are equal can be reject

Author

HASHMI SUTARIYA

Language

EN