A random sample of cable from three different manufacturers is tested for breaking strength. The data (in

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A random sample of cable from three different manufacturers is tested for breaking strength. The data (in pounds) are shown. At α = 0.05 is there a difference in the breaking strength of the cables? Use the Kruskal-Wallis test.

Manufacturer B 416 404 483 Manufacturer A 602 587 433 551 552 Manufacturer C 372 431 552 508 416 504 516

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