Q5 of 35 Page 209

I construct the frequency polygon for the following marks obtained by 75 leamers of Pritha’s school.


In the graph paper, taking suitable measures along horizontal and vertical lines, the points (20, 0), (30, 12), (40, 18), (50, 21), (60, 15), (70, 6), (80, 3) and (90, 0) are plotted on the graph paper and then I draw the frequency polygon by adding them.

Plotting points (20, 0), (30, 12), (40, 18), (50, 21), (60, 15), (70, 6), (80, 3) and (90, 0) and joining them to make the frequency polygon.



More from this chapter

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3

In our locality, by collecting the number of Hindi speaking people between ages of 10 years to 45 years, I write them in the table given below:


I draw the histogram for the above data.

 4

I draw the histogram of the frequency distribution table given below:

 6

I draw the frequency polygon for the following frequency distribution table.

 7

By drawing histogram, I draw the frequency polygon of the frequency distribution table given below: