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The chi-square value is obtained in the usual fashion for two-way tables.
For each cell, the distance between the observed and expected counts is squared, then divided
by the expected value. Finally, these quantities are summed across all cells.
For this table,
the value is 12.4.
From this analysis, the manager learns that type of training resulted in different median scores between the groups. Trainees who received the hands-on tutorial have a higher median value than either their counterparts who received standard training or additional technical training. |
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Median Test Table |