Tucson State University offers two MBA programs. In the first program the students meet two nights per week at the university's main campus in...

In the second program students only communicate online with the instructor. The director of the MBA programs at Tucson wishes to compare the number of hours studied last week by the two groups of students. A sample of 10 on-campus students and 12 online students revealed the information below for the number of hours they study per week.