Use the following information to answer questions 4953. The personnel manager wants to know whether employees strictly

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Use the following information to answer questions 49–53. The personnel manager wants to know whether employees strictly follow the rule for their lunch break. He suspects that those who are more senior in the company tend to take a longer lunch. He classifies the employees into three categories according to their seniority in the company. The amounts of lunch time (in minutes) are summarized in the following table. Assume these data do not follow a normal distribution.image text in transcribed

Do the data support the hypothesis that group 2 spends less time at lunch than group 3. Do a 5 percent test.

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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