Find the more than type cumulative frequency of the given distribution.
Class intervals 0-10 10-20 20-30 30-40 40-50
Frequency 2 12 22 8 6

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Solution

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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