Question

Calculate the mean deviation about median age for the age distribution of 100 persons given below:

Age
16-20
21-25
26-30
31-35
36-40
41-45
46-50
51-55

Number
5
6
12
14
26
12
16
9

Answer 1

Age-16-20=5,21-25=6,26-30=12,31-35=14,36-40=26,41-45=12,46-50=16,51-55=9