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According to the National Sleep Foundation, children between the ages of 6 and 11 years should get 10 hours of sleep each night. In a survey of 56 parents of 6 to 11 year olds, it was found that the

According to the National Sleep Foundation, children between the ages of 6 and 11 years should get 10 hours of sleep each night. In a survey of 56 parents of 6 to 11 year olds, it was found that the mean number of hours the children slept was 8.9 with a standard deviation of 3.2. Does the sample data suggest that 6 to 11 year olds are sleeping less than the required amount of time each night? Use the 0.01 level of significance.

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Hypotheses While the sample may not be random it is not random in a way that will have little if an…View the full answer


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Statistics Informed Decisions Using Data

Statistics Informed Decisions Using Data

ISBN: 9780134133539

5th Edition

Authors: Michael Sullivan III

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Posted Date: January 04, 2018 01:12:55
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