Class 10 Maths · Statistics · NCERT Exercise 13.3 · Question 13
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day. Form
- (i)a 'less than type' cumulative frequency distribution and
- (ii)a 'more than type' cumulative frequency distribution from the above data.
| Age (in years) | Number of patients |
|---|---|
| 10 - 20 | 60 |
| 20 - 30 | 42 |
| 30 - 40 | 55 |
| 40 - 50 | 70 |
| 50 - 60 | 53 |
| 60 - 70 | 20 |
Answer
Less than type: <20:60, <30:102, <40:157, <50:227, <60:280, <70:300. More than type: >10:300, >20:240, >30:198, >40:143, >50:73, >60:20.
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