The following distribution gives the daily income of 50 workers of a factory

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

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Now, we plot the points (120, 12), (140, 26), (160, 34), (180, 40) and (200, 50) to get the required ogive as shown alongside.
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