

Question

The table below gives the ages, to the nearest 5 years of 50 people.



Age in years
10
15
20
25
30


No of people
8
19
10
7
6



(a) Construct a cumulative frequency table for the distribution.
(b) Draw a cumulative frequency curve (Ogive)
(c) From your Ogive, find the : (i) median age ; (ii) number of people who are at most 15 years of age ; (iii) number of people who are between 20 and 25 years of age.



The table below gives the ages, to the nearest 5 years of 50 people.



Age in years
10
15
20
25
30


No of people
8
19
10
7
6


