Following is the frequency distribution table of the mark obtianed by 40 student in economics in a school.prepare less than or more than cumulative frequency distribution table from it.
Class no of student
0_20. 5
20_40. 7
40_60. 23
60_80. 3
80_100. 2
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less than / frequency / c.f
less than 20/ 5 / 5
less than 40/ 7. / 12
less than 60/ 23. / 35
less than 80/ 3 / 38
less than 100/ 2 / 40
less than 20/ 5 / 5
less than 40/ 7. / 12
less than 60/ 23. / 35
less than 80/ 3 / 38
less than 100/ 2 / 40
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