An article in technometrics (vol. 19, 1977, p. 425) presents the following data on the motor fuel octane ratings of several blends of gasoline: 88.2 99.8 88.8 91.6 92.9 91.3 90.4 91.9 95.6 88.9 90.1 83.5 87.7 87.7 88.0 90.8 83.9 90.1 91.4 91.9 93.7 91.6 87.6 89.9 91.1 91.7 90.1 87.3 93.8 93.0 87.7 92.4 88.3 89.8 89.1 88.9 91.1 97.1 89.7 89.2 88.9 91.4 88.3 93.5 90.9 84.1 92.7 92.8 90.7 88.2 95.0 87.0 90.3 93.6 89.9 90.9 91.5 86.3 90.6 87.6 88.5 90.3 89.8 86.1 89.6 90.2 93.2 87.9 93.3 91.9 92.8 89.8 100.4 90.1 93.1 93.6 89.3 95.2 91.2 88.5 89.7 88.6 85.7 calculate the sample median, mode, and mean of these data.