Question: 5.7 Sleep habits of New Yorkers: New York is known as the city that never sleeps. A random sample of 25 New Yorkers were
5.7 Sleep habits of New Yorkers: New York is known as "the city that never sleeps". A random sample of 25 New Yorkers were asked how much sleep they get per night. Statistical summaries of these data are shown below. Do these data provide strong evidence that New Yorkers sleep less than 8 hours a night on average? n s min max 25 7.73 0.77 6.17 9.78 (a) Write the hypotheses in symbols. Ho: -8 Ha: 8 Ho: -8 Ha: 8 (b) Calculate the test statistic, T, and the degrees of freedom. TH (please round to two decimal places) There are ( associated with this test. degrees of freedom (c) Find and interpret the p-value in this context. Drawing a picture may be helpful. Op>0.100 0.050
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given N 25 7735077 min 617 max 978 as Null and Alter... View full answer
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