A sample of 15 males has a sample mean of 7.3 hours and the population standard deviation is assumed to be 1.26 hours. A sample of 18 females has a sample mean of 7.8 hours and the population standard...


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A sample of 15 males has a sample mean of 7.3 hours and the population standard deviation is<br>assumed to be 1.26 hours.<br>A sample of 18 females has a sample mean of 7.8 hours and the population standard deviation is<br>assumed to be 1.51 hours.<br>a) Use the P-VALUE METHOD with a 0.08 significance level to test the claim that<br>the mean number of sleeping hours for males is smaller than the mean number of<br>sleeping hours for females.<br>b) What does the conclusion mean?<br>

Extracted text: A sample of 15 males has a sample mean of 7.3 hours and the population standard deviation is assumed to be 1.26 hours. A sample of 18 females has a sample mean of 7.8 hours and the population standard deviation is assumed to be 1.51 hours. a) Use the P-VALUE METHOD with a 0.08 significance level to test the claim that the mean number of sleeping hours for males is smaller than the mean number of sleeping hours for females. b) What does the conclusion mean?

Jun 01, 2022
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