Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:
Age (in years)10−2020−3030−4040−5050−6060−70Numbr of patients905060805030
Construct the cumulative frequency table for the above data.
Sol:
Age (in years) | Number of Patients
(Frequency) |
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 |
Total | 360 | 360 |