find the mean
of the following data by direct method.
class
7.5-12.5,12.5-17.5
17.5 22.5 22.5-27.5 27.5-32.5
frequeney 5 10 7 8 2
Answers
Answered by
0
Answer:
5
Explanation:
when we subtract 7•5-12•5 then it comes 5
Similar questions