Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:
Age (in years) | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
Number of patients | 90 | 50 | 60 | 80 | 50 | 30 |
Construct the cumulative frequency table for the above data.
The Cumulative frequency table can be drawn as given below:
Age (in year) | No. of patients | Cumulative frequency |
10 – 20 | 90 | 90 |
20 – 30 | 50 | 140 |
30 – 40 | 60 | 200 |
40 – 50 | 80 | 280 |
50 – 60 | 50 | 330 |
60 – 70 | 30 | 360 |