An anthropologist is comparing household storytelling frequencies across three indigenous groups. Group A tells 5 stories per week, Group B tells 8 per week, and Group C tells 3 per week. If she observes 15 households from A (average 4 members each), 10 from B (average 5 members each), and 20 from C (average 3 members each), what is the average number of stories per person per week across all observed individuals? - go-checkin.com