To test for any significant difference in the number of hours between breakdowns for four machines, the
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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: 9780538481649
11th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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