The following data represent the breaking strengths of

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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


Which of the following correctly describes the p-value?

What is the critical value?

What is the correct decision?

Reference no: EM13616986

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