Question

Draw a histogram for the following frequency distribution.
Class - Interval
0-10 11-20 21-30
31-40
41-50 51-60

Frequency4
18
12
6
20
10

Answer 1

i ) Class intervals given inclusive ( limits )

convert them into exclusive form

( boundaries ) since the histogram

has to be drawn for a continuous

series.

2 ) Choose a suitable scale on the

X-axis and mark the class intervals

on it .

Scale :

3 )X-axis 1 cm = 10 units

Y- axis 1 cm = 2 units

4 ) Draw rectangles with class intervals

as bases and the corresponding

frequencies as the corresponding

heights.

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