Q. 83.6( 164 Votes )
A random survey of the number of children of various age groups playing in a park was found as follows:
Draw a histogram to represent the data above.
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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