![]() ![]() Agricultural researchers are studying the effect of mulch color on the taste of crops. Strawberries grown in red, blue, and black mulch were rated by taste-testers on an ordinal scale of one to five (far below to far above average). The results are collected in the file tastetest.sav . Use the Kruskal-Wallis test to determine if taste varies by mulch color. |
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Using Kruskal-Wallis to Test Ordinal Outcomes |