An article in technometrics (vol. 19, 1977, p. 425) presents the following data on the motor fuel octane ratings of several blends of gasoline. construct a frequency distribution and histogram for these data. use 8 bins. 87.3 98.8 87.8 91.1 92.9 92.1 90.6 89.9 93.7 89.7 91.2 83.6 89.0 88.3 87.5 90.8 83.1 89.6 91.8 91.5 93.3 92.3 87.7 89.5 89.3 91.3 90.4 87.3 94.6 93.6 88.9 90.3 88.9 90.9 88.0 89.0 90.7 96.6 90.5 88.5 89.9 92.5 88.0 94.6 91.2 84.8 91.8 93.3 92.2 85.8 94.9 88.6 91.5 93.7 90.4 90.1 89.6 85.6 91.3 87.2 88.9 91.0 91.2 85.0 90.9 90.8 95.2 87.7 92.6 90.2 94.4 89.9 100.9 91.5 92.5 93.5 89.8 97.9 90.4 87.3 89.7 89.4 85.6