The delay times of 200 delayed flights were compiled in the following frequency distribution. The mean is

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The delay times of 200 delayed flights were compiled in the following frequency distribution. The mean is about 45 and the standard deviation is 20. Do the data follow a normal distribution? Do a 5 % test. image text in transcribed

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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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Question Posted: Feb 19, 2024 04:25 AM

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The delay times of 200 delayed flights were compiled in the following frequency distribution. The mean is

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Delay time (in minutes) 0-15 16-30 31-45 46-60 61-75 76-90 Frequency 20 32 48 52 38 10

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Statistics For Business And Financial Economics

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