Q. 83.6( 181 Votes )

A random survey o

Answer :

Here the class intervals are of different lengths.
So we have to calculate the adjusted frequency.

The required size of interval = minimum size of the interval
                                   = 2 - 1
                                   = 1


So the adjusted frequency is:


The class interval with minimum class size 1 is selected and the length of the rectangle is proportional to it.Taking the age of the children on x-axis and proportion of children per 1 year interval on the y-axis, the following histogram can be drawn:


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