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The following table gives the distribution of IQ’s (intelligence quotients) of 60 pupils of class V in a school:
Given:
The distribution of IQ’s (intelligence quotients) of 60 pupils of class V in a school is given.
To do:
We have to draw a frequency polygon for the above data.
Solution:
Plot the midpoint frequency on the graph and join them to get a frequency polygon.
The frequency polygon to represent the given data is,
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