The Median Test

The Median Test

The median test is used for testing whether two independent samples differ in central tendencies. It gives information as to whether it is likely that two independent samples have been drawn from populations with the same median. It is particularly useful when even the measurements for the two samples are expressed in an ordinal scale. In using the median test, we first calculate the combined median for all measures (scores) in both samples. Then both sets of scores at the combined median are dichotomized and the data are set in a 2 x 2 table with two rows one containing below median and the other row containing above median. On the column side we have two columns, one containing the sample 1 and the other column containing sample 2.

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