2. In a volunteer group, adults 18 and older volunteer from one to nine hours each week to spend time with orphan houses. The program recruits among diploma students, degree students, and non-students. Table A has the sample of the adult volunteers and the number of hours they volunteer per week. Table A Type of Volunteer 1-3 Hours 4-6 Hours 7-9 Hours Total Diploma Students 111 96 48 255 Degree Students 96 133 61 290 Non-students 91 150 53 294 Total 298 379 162 839 At a = 0.05, test whether the number of hours volunteered independent of the type of volunteer. ( Total / Jumlah: 20 )