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Question -

The following distribution gives the daily income of 50 workers of a factory:
 
Convert the above distribution to a less than type cumulative frequency distribution and draw its ogive.



Answer -


Now plot the points (120, 12), (140, 26), (160, 34), (180, 40) and (200,50) on the graph and join them with free hand to get an ogive which is less than.

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