The arithmetic mean and mode of a data are 24 and 12 respectively, then find the median of the data.
Mean = 24
Mode = 12
We know that mode = 3 median - 2 mean
12 = 3 median - 2 × 24
⇒ 12 = 3 median - 48
⇒ 3 median = 12 + 48 = 60
∴ Median =603 = 20