The following data represent the breaking strengths of samples of 20 gauge insul
ID: 3385484 • Letter: T
Question
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 .05 significance level and the Kruskal-Wallis test to answer the following questions. Supplier A B C 140 156 123 144 164 127 145 166 131 151 169 144 152 180 166 Give the value of the Kruskal-Wallis test statistic for the above data. a. 8.045 b. 7.249 c. 6.855 d. 5.915 e. 1.836
Explanation / Answer
Using MINITAB to find the Kruskal values
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