Keywords

#median_test

Median test

Comparative statistical test

Median test is a special case of Pearson's chi-squared test. It is a nonparametric test that tests the null hypothesis that the medians of the populations from which two or more samples are drawn are identical. The data in each sample are assigned to two groups, one consisting of data whose values are higher than the median value in the two groups combined, and the other consisting of data whose values are at the median or below. A Pearson's chi-squared test is then used to determine whether the observed frequencies in each sample differ from expected frequencies derived from a distribution combining the two groups.

Sat 13th

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Median test Median Kruskal–Wallis test Sign test Nonparametric statistics List of statistical tests Median voter theorem Multiple of the median Mann–Whitney U test Median absolute deviation
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