Question

Find the mean of the data, whose median is 17 and mode is 15.

Answer 1

For mean, median and mode for a set of data,

mode = 3 * median - 2*mean

Since mode = 15 and median is 17,

mean = (3*median-mode)/2

Therefore, mean = (3*17-15) / 2 = (51-25)/2 = 26/3 = 13.

Therefore, mean = 13.