Calculating the mean, median, and mode when scores are changed or removed. Consider the following sample set of scores. Assume these scores are from a discrete distribution 18 26 30 42 50 52 52 60 78 84 For the given data, the mean is ,the median is , and the mode is. Suppose the score 60 in the data is mistakenly recorded as 72 instead of 60. For the sample with this error, the mean is , median , and the mode is .