Question

In the following frequency distribution if the arithmetic mean is 45.6. Find out missing
frequency.
Wages 10 - 2020 - 3030 - 40 40 - 5050 - 60 60-70 70-80
No. of Workers 15
5
6
7
?
4
9
3​

Answer 1

Explanation:

okkkk i have given half by half