The following are the ages of 300 patients getting medical treatment in a hospital on a particular day:
Age (in years) |
10 – 20 |
20 – 30 |
30 – 40 |
40 – 50 |
50 – 60 |
60 -70 |
Number of patients |
6 |
42 |
55 |
70 |
53 |
20 |
Form a ‘less than type’ cumulative frequency distribution.