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The following table gives the distribution of IQ’s (intelligence quotients) of 60 pupils of class V in a school:
RD Sharma Class 9 Solutions Chapter 23 Graphical Representation of Statistical Data Ex 23.3 6.1


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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Updated on: 10-Oct-2022

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