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Hypothesis Testing Quiz In a sample of 500 students, the average amount of time they spent...

Hypothesis Testing Quiz

In a sample of 500 students, the average amount of time they spent watching tv each day was 2.9 hrs with standard deviation .8 hrs. In a sample of 450 non-students, the average amount of time watching tv each day was 3.2 hrs with standard deviation 1.5 hours. At the 95% confidence level, do non-students (on average) watch more tv than students?

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