CBSE Class 10 Maths (Standard) 2024 · Paper 30/S/1 · Question 26
The government rescued 100 people after a train accident. Their ages were recorded in the following table. Find their mean age.
| Age (in years) | Number of people rescued |
|---|---|
| 10 - 20 | 9 |
| 20 - 30 | 14 |
| 30 - 40 | 15 |
| 40 - 50 | 21 |
| 50 - 60 | 23 |
| 60 - 70 | 12 |
| 70 - 80 | 6 |
Answer
The mean age of the rescued people is years.
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