The histogram below shows the distribution of retention rates for a sample of 197 universities. For this data the Q1 = 71, median=76 and Q3 = 84. Determine the lower bound for outlier detection. Frequency 45 40 35 30 25 20 15 10 5 O 1 0 O in 7 11 21 41 37 32 22 14 D 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Retention Rate