Question

Find the median of 1,3,4, 5, 9, 9 and 11

Answer 1

Given data = 1, 3, 4, 5, 9, 9 and 11

Clearly middle term = 5

∴ Median = 5

Mean = `"Sum of observations"/"Number of observation"`

`= (1 + 3 + 4 + 5 + 9 + 9 + 11)/7`

`= 42/7 = 6`

∴ Mean = 6