Frequency
Cumulative Frequency
(cf)
Lower Boundaries
(LB)
Class Interval of the
Allowance
4
22 - 24
12
19-21
15
16 - 18
7
13 - 15
4
10 - 12
3
7 - 9
Answers
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2
Answer:
cf=2 gap
ans. 16.733
I hope my answer like it
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