Question

3 Using direct method to find the mean of the following data:
Class
Frequency
0-20
15
20 40
40 60
21
60-80
29
80_-100
17
2)50
2) 54
3) 51
4) 53
​

Answer 1

Answer:

please repost the question again with required spaces as the question is not understandable and clear.. ☝

Sorry but re-post it and I will surely answer