the following data represent the breaking strengths of samples of 20 gauge insulated copper wire from three different suppliers.  The researcher is interested in finding evidence that the distribution of breaking strength differs by supplier.  Use the .01 significance level and the Kruskal-Wallis test to answer the following questions.    Supplier A B C 150 157 143 154 161 147 156 163 151 161 166 154 162 170 156 Give the value of the Kruskal-Wallis test statistic for the above data.   What's the p-value?   What's the critical value?   What's the decision?

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