MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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According to the American Academy of Sleep Medicine, a healthy adult should obtain at least 7
hours of sleep per night. But is this happening in New York City- aka "the city that never sleeps" ?
A study of 28 NYC adults chosen at random found that the sample mean was 6.73 hours and the
sample standard deviation was 0.79 hours.
Is there statistically significant evidence that NYC adults, on average, sleep less than 7 hours per
night?
Is the result "practically significant"?
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Transcribed Image Text:According to the American Academy of Sleep Medicine, a healthy adult should obtain at least 7 hours of sleep per night. But is this happening in New York City- aka "the city that never sleeps" ? A study of 28 NYC adults chosen at random found that the sample mean was 6.73 hours and the sample standard deviation was 0.79 hours. Is there statistically significant evidence that NYC adults, on average, sleep less than 7 hours per night? Is the result "practically significant"?
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