MATHEMATICS>Statistics>Steps for Drawing a Frequency Polygon by Using Histogram

Steps for Drawing a Frequency Polygon by Using Histogram

Author:A K Upadhyay & S Upadhyay

9th CBSE

IMPORTANT

Important Questions on Steps for Drawing a Frequency Polygon by Using Histogram

HARD

IMPORTANT

MATHEMATICS>Statistics>Steps for Drawing a Frequency Polygon by Using Histogram> Q 1

Draw a histogram and frequency polygon of the following:

Class interval	Frequency
$10 - 20$	$4$
$20 - 30$	$5$
$30 - 40$	$9$
$40 - 50$	$12$
$50 - 60$	$7$
$60 - 70$	$3$

MEDIUM

IMPORTANT

MATHEMATICS>Statistics>Steps for Drawing a Frequency Polygon by Using Histogram> Q 2

A survey of the number of people of various age groups visiting the Diwali mela on a particular day is given below. Draw a frequency polygon with histogram to represent the data.

Age (in years)	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$
No of people	$14$	$28$	$35$	$21$	$14$	$7$

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