I. Find the mean of each set of ungrouped data. 1. 15, 22, 24, 18, 22, 30, 42 2. 88, 90, 99, 87, 77, 75, 90, 100 II. Find the median of each ungrouped data. 1. 65, 45, 78, 32, 87, 45, 61 2. 89, 88, 56, 77, 45, 88, 56, 23, 51 III. Find the mode of each ungrouped data. 1. 75, 78, 75, 90, 99, 75 2. 24, 50, 45, 30, 30, 23, 10