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Independence Tests
13. Chi-Square Tests & Goodness of Fit / Independence Tests / Problem 9
Problem 9

A survey of 200200 college students recorded their preferred study location (Library, Dorm, Coffee Shop) and whether they were undergraduate or graduate students. At α=0.05\(\alpha\)=0.05, can you conclude that student status and preferred study location are related?
LibraryDormCoffee ShopUndergraduate406030Graduate501010\(\begin{array}{cccc}\) & \(\text{Library}\) & \(\text{Dorm}\) & \(\text{Coffee Shop}\)\\ \(\text{Undergraduate}\) & 40 & 60 & 30\\ \(\text{Graduate}\) & 50 & 10 & 10\(\end{array}\)