The Kruskal-Wallis test is not as highly affected by unequal variances as the AOV test. Demonstrate this result by applying the Kruskal-Wallis test to both the original and the trans-formed data and comparing the conclusions reached in this analysis for the data of ­Exercise 8.42.

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Shield Machine A Machine B Machine C 181 2.4 2.7 7.5 8.7 56.8 29.7 18.7 16.5 63.7 18.9 107.2 19.7 93.4 21.6 8.3 5.8 10