If we draw a histogram for the following frequency distribution, what will be the height of the bar for the class interval 15 - 30?

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Solution

The correct option is B 7
When a frequency distribution table is depicted using histograms, the number of tally marks of a class interval is represented using the height of bars in the histogram.

Here, when the class interval 15 - 30 is depicted in a histogram, since the tally marks are 7, the value of $a$ is 7 and hence the height of the bar is also 7 units.

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If we draw a histogram for the class interval 15 - 30, what will be the height of the bar?

Draw a histogram to represent the following frequency distribution.

Class – Interval	Frequency
10 – 19	7
20 – 29	10
30 – 39	20
40 – 49	5
50 – 59	15

Draw a histogram table for the following data: [4 MARKS]

$\begin{matrix} Class interval & 1 - 10 & 11 - 20 & 21 - 30 & 31 - 40 Frequency & 7 & 12 & 15 & 13 \end{matrix}$

If we draw a histogram for the following frequency distribution, what will be the height of the bar for the class interval 15 - 30?

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