Question

Hate method he following distribution shows the daily pocket allowance of children of a locality ne mean pocket allowance is Rs 18. Find the missing frequency f. Daily pocket 11-13 13-15 15-17 | 17-19 | 19-21 21-23 23-25 allowance (in Rs) Number of children 7. 6 9 13 f 5 4
also give the reason of using direct formula
​

Answer 1

Answer:

20

Explanation:

Hope you understand my handwriting

Live happily take care