Refer to the Lincolnville School District bus data. a. Conduct a test of hypothesis to reveal whether

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Refer to the Lincolnville School District bus data.

a. Conduct a test of hypothesis to reveal whether the mean maintenance cost is equal for each of the bus manufacturers. Use the .01 significance level.

b. Conduct a test of hypothesis to determine whether the mean miles traveled since the last maintenance is equal for each bus manufacturer. Use the .05 significance level.

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Basic Statistics For Business And Economics

ISBN: 9781260187502

9th Edition

Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen

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