The following distribution gives the daily income of 50
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The following distribution gives the daily income of 50 workers of a factory : daily income :- 100-120, 120-140, 140-160, 160-180, 180-200.
Number of workers :- 12, 14, 8, 6, 10 . Respectively.
Convert the distribution above to a less than type cumulative frequency distribution and draw its ogive.