To use the median test, we first calculate the median for the overall sample.Next, we collapse the interval or ratio data in each group into two (dichotomous) categories: 1) the scores that fall above the median, and 2) the scores that fall below the median.Then we analyze those categories using the chi-square formula.

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This is an accurate description of how the median test is conducted.

To Use the Median Test, We First Calculate the Median