Mathematics, 27.04.2021 15:30 josuemarquezz27
A polling company conducted a survey asking 40 fourth year students from Ohio and 33 fourth-year students from Pennsylvania about on average, how many hours they spend on the computer per week. Ohio had an average of 52, while Pennsylvania had an average of 33. Ohio and Pennsylvania have standard deviations of 7.22 and 10.11 respectively. Construct a 99.9% confidence interval for the difference between these results.
Answers: 1
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A polling company conducted a survey asking 40 fourth year students from Ohio and 33 fourth-year stu...
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