Do Undergraduates Sleep Less than Graduate Students Essay

### Context Do undergraduates sleep less than graduate students? A student conducted a study of sleep habits at a large state university. His hypothesis is that undergraduates will party more and sleep less than graduate students. He surveyed random samples of 75 undergraduate students and 50 graduate students. Subjects reported the hours they sleep in a typical night. For this hypothesis test, he defined the population means as follows: * ?1?1 is the mean number of hours undergraduate students sleep in a typical night. * ?2 ?2is the mean number of hours graduate students sleep in a typical night. ### Variables _Hours_ :  typical number of hours a student sleeps each night _Program_ : undergraduate or graduate  _Program_ is the explanatory variable, and the data is categorical. _Hours_ is the response variable, and the data is quantitative. ### Prompt 1. State the null and alternative hypotheses. Include a clear description of the populations and the variable. 2. Explain why we can safely use the two-sample T-test in this case. 3. State a conclusion in the context of this problem. the table:  https://www.statcrunch.com/app/?dataid=3746931&tok…

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