1. Find missing frequency from the following data
Class
0-5
5-10
10-15
15-20
20-25
25-30
30-35
Frequency
1
7
11
?
?
4
2
Total Frequency (N) = 40 and mean = 16.5
Answers
Answered by
0
Answer:
17 20
I am not sure...I think so
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