A professor had students keep track of their social interactions for a week The number of social interactions over the week is shown in the following grouped frequency distribution How many students had at least 45 social interactions for the week The number of students was Type a whole number Points 0 of 1 Number of Social Interactions 15 19 20 24 25 29 30 34 35 39 40 44 45 49 50 54 55 59 60 64 Frequency a 12 11 18 20 19 504 9 7