Spam filters. A university department installed a spam filter on its computer system. During a 21-day period, 6693 messages were tagged as spam. How much spam you get depends on what your online habits are. Here are the counts for some students and faculty in this department (with log-in IDs changed, of course):
All other department members received fewer than 100 spam messages. How many did the others receive in total? Make a graph and comment on what you learn from these data.