the mean marks of students in a class is 72 the mean marks of boys is 75 and that of girls 65 find the proportion of boys and girls in the class
Answers
Answered by
2
Explanation:
please mark this answer as brainliest ✌️
Attachments:
![](https://hi-static.z-dn.net/files/d82/26c8f081005a027db97b6eff44986163.jpg)
Similar questions