Loose Leaf for Statistical Techniques in Business and Economics
Loose Leaf for Statistical Techniques in Business and Economics
17th Edition
ISBN: 9781260152647
Author: Douglas A. Lind
Publisher: McGraw-Hill Education
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Chapter 12, Problem 51DA

a.

To determine

Find whether the mean maintenance cost is equal for each of the bus manufacturers at the 0.01 level of significance.

b.

To determine

Find whether there is a difference in the mean miles travelled for each of the bus manufacturers at the 0.05 significance level.

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