Question 436881
Do students at various universities differ in how sociable they are? 
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Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students. The result for University X was a mean of 5 hours and an estimated population variance of 2 hours; for University Y, ; and for University Z, . What should you conclude? Use the .05 level. 

Note: Data for Univerity Y and Z are missing in your post.
Cheers,
Stan H.