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 less than 60 social interactions for the week 34 62 21 13 Number of Social Interactions 50 54 55 59 60 64 65 69 70 74 75 79 80 84 85 89 90 94 95 99 Frequency 8 13 13 15 10 12 5 3 1 3