Is there an association between where students live and drinking coffee? A survey of college students asked where students live (dorm, college apartment, or off campus) and whether or not the students regularly drink coffee. The results are summarized in the table. Dorm Apartment Off campus Total Coffee drinker 27 27 13 67 Not a coffee drinker 26 18 11 55 Total 53 45 24 122 Determine the proportion of students in each living situation who drinks coffee regularyly.Dorm: Apartment: Off campus: .The Mean Group Diff statistic is