Mathematics
The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is ₹ 18. Find the missing frequency f.
| Daily pocket allowance (in ₹) | Number of children |
|---|---|
| 11 - 13 | 7 |
| 13 - 15 | 6 |
| 15 - 17 | 9 |
| 17 - 19 | 13 |
| 19 - 21 | f |
| 21 - 23 | 5 |
| 23 - 25 | 4 |
Related Questions
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