To test for any significant difference in the number of hours between breakdowns for four machines, the

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To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.

Machine 1 Machine 2 Machine 3 Machine 4 6.4 8.7 11.1 9.9 7.8 7.4 10.3 12.8 5.3 9.4 9.7 12.1 7.4 10.1 10.3 10.8 8.4 9.2 9.2 11.3 7.3 9.8 8.8 11.5

a. At the α .05 level of significance, what is the difference, if any, in the population mean times among the four machines?

b. Use Fisher’s LSD procedure to test for the equality of the means for machines 2 and 4.

Use a .05 level of significance.

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Statistics For Business And Economics

ISBN: 9780324783247

11th Edition

Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson

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Question Posted: Jul 18, 2024 07:06 AM

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To test for any significant difference in the number of hours between breakdowns for four machines, the

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Statistics For Business And Economics

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