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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
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? Use a one-sample ttest. n i m Min Max 25 7.73 0.77 6.17 9.78 1. Write the hypotheses (H0 and HA) 2. what is the tvalue, please round your answer to 2 decimal @ 3. what is the p-value, please round your answer to 3 decimal 4. These data provide strong evidence that New Yorkers sleep less than 8 hours a night on average. 5. Construct a 95% confidence interval, compare it to the H0 mean, and decide on whether to reject HO
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