Answered: The test statistic is ___________ .…

Name: New York is known as \the city that never sleeps". A random sample of
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Description: 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 at the 5% significance level

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 night. Statistical summaries of these data are shown below. Do these data provide strong evidence at the 5% significance level that New Yorkers sleep less than 8 hours a night on average?

nn	¯xx¯	ss	min	max
25	7.73	0.77	6.17	9.78

The test statistic is ___________ . (Round to 2 decimal places.)

The p-value is __________________ . (Round to 3 decimal places.)

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