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The following table shows the distributi...

The following table shows the distribution of the heights of a group of factory workers :
Draw the 'less than' cumulative frequency curve on graph paper . Use 2 cm = 5 cm height on one axis and 2 cm = 10 workers on the other
`{:(" Ht. (cm): ", 150- 155, 155-160, 160-165, 165-170, 170-175, 175-180, 180-185),(" No. of workers " ," "6, " "12, " "18, " "20, " "13, " "8, " "6):}`

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