A researcher has presented lists of non-sense syllables to a random sample of 50 students from an introductory psychology course. The num-bers of list presentations were 8, 9, 7, 8, 16, 7, 10, 11, 16, 14, 12, 13, 12, 13, 12, 14, 8, 9, 17, 12, 5, 18, 14, 14, 12, 8, 11, 11, 9, 9, 18, 15, 11, 7, 9, 5, 6, 8, 10, 11, 11, 10, 14, 16, 6, 11, 15, 9, 19, 12. Eyeball-estimate and then compute (a) the mode, (b) the median, and (c) the mean