Class: 0-10 10-20 20-30 30–40
40-50
5
Frequency:
8
15
4
6
For the class 20-30 , cumulative frequency is
20
13
15
28
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2
Answer:
ANSWER
Class intervals frequency more than type
cumulative frequency
0-10 2 50
10-20 12 50-2=48
20-30 22 50-2-12=36
30-40 8 50-2-12-22=14
40-50 6 50-2-12-22-8=6
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