(Answered) Manufacturing and product developmentsixtyfive countries

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Manufacturing and Product Development

Sixtyfive countries account for approximately 99% of the world crude steel production.41 Four of these countries were selected, and a random sample of their crude steel production per month (in thousand tonnes) was obtained. The data are given in the following table.

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Assume the underlying distributions of crude steel production per month are continuous. Use the Kruskal-Wallis test with a = 0.05 to determine whether there is any evidence to suggest that at least two production populations are different.

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