Q. 75.0( 3 Votes )

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 :

We first prepare cumulative frequency table by less than method as given below:

Now we mark on x-axis upper class limit and on y-axis cumulative frequency. Thus, we plot the points: (120, 12); (140,26); (160,34); (180,40); (200,50)

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