Statistics

5.7 Sleep habits of New Yorkers: New York is known as "the city that never sleeps". A random sample of 28 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 significance level of 5%. USE YOUR Tl CALCULATOR or equivalent. nut-\"mm 7.73 0.57 (a) Write the hypotheses in symbols. :Ho: 1u=8 I Ha: u a 8 Ho: p = 8 Ha: p > 8 'Ho::u=8 Hazp