Q9 of 35 Page 209

I have written the ages of 32 teachers of Primary School in the village Virsingha in a table given below:


I represent the above given data graphically by histogram and frequency polygon.

By using the data


We make a histogram and then by joining middle values of classes we get the frequency polygon.



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7

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

 8

I draw the histogram for the following frequency distribution table.


Hints: At first, by exclusive class method the statistical data will be constructed as frequency distribution table with class-boundaries given below:


 10

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

 11

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