How to find the median of even number of data ? A. you must list the data in order from least to greatest. Then calculate the mean of the smallest and largest numbers to find the median of the set. B. you must list the data from least to greatest. Then calculate the mean of the middle two data points to find the median. of the set. C. To find the median of the set , calculate the mean of the middle two data points . D. You must list the data in order from least to greatest. Then divide the mean of the set by 2. to find the median of the set.