Mathematics, 27.08.2019 18:20 laurielaparr2930
According to a survey, the average american person watches tv for 3 hours per week. to test if the amount of tv in new york city is less than the national average, a researcher decides to do a hypothesis test, at a 10% significance level. she surveys 26 new yorkers randomly and asks them about their amount of tv each week, on average. from the data, the sample mean time is 2.5 hours per week, and the sample standard deviation (s) is 1.1 hours.
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According to a survey, the average american person watches tv for 3 hours per week. to test if the a...
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