Extracted text: a) Find the mean, the median, and the mode of data set: 25, 42, 18, 37, 25, 18, 40, 57, 64, 66,85, 86, 92, 85, 88, 92, 67, 33, 75, 85, 48, 60, 80, 60, 50 b) Find the mean, the median, and the mode of data set: 12.37, 13.33, 32.67, 12.37, 26.45