A researcher wants to know if the mean times (in minutes) that people watch their favorite news

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A researcher wants to know if the mean times (in minutes) that people watch their favorite news station are the same.

Suppose that Table 12.35 shows the results of a study.

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Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05.

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Introductory Business Statistics

ISBN: 202318

1st Edition

Authors: Alexander Holmes , Barbara Illowsky , Susan Dean

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