Given below is the frequency distribution of the heights of 50 students of a class:

Class interval: 140−145 145−150 150−155 155−160 160−165

Frequency: 8 12 18 10 5

Draw a histogram representing the above data.

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Solution

The class limits are represented along the x-axis on a suitable scale and the frequencies are represented along the y-axis on a suitable scale. Taking class intervals as bases and the corresponding frequencies as heights, the rectangles can be constructed to obtain the histogram of the given frequency distribution as shown in the figure below:

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Q. Given below is the frequency distribution of the heights of 50 students of a class:

\begin{matrix} Class Interval & 140 - 145 & 145 - 150 & 150 - 155 & 155 - 160 & 160 - 165 Frequency & 8 & 12 & 18 & 10 & 5 \end{matrix}

Draw a histogram representing the above data.

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$\begin{matrix} C l a s s i n t e r v a l : & 140 - 145 & 145 - 150 & 150 - 155 & 155 - 160 & 160 - 165 F r e q u e n c y : & 8 & 12 & 18 & 10 & 5 \end{matrix}$
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Q. Draw a histogram of the following data.

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Height (in cm)	135−140	140−145	145−150	150−155	155−160	160−165
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$\begin{matrix} Height (in cm) & 135 - 140 & 140 - 145 & 145 - 150 & 150 - 155 & 155 - 160 & 160 - 165 & 165 - 170 & 170 - 175 Number of days & 6 & 10 & 18 & 22 & 20 & 15 & 6 & 3 \end{matrix}$

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Class interval:	140−145	145−150	150−155	155−160	160−165
Frequency:	8	12	18	10	5

Given below is the frequency distribution of the heights of 50 students of a class: Class interval: 140−145 145−150 150−155 155−160 160−165 Frequency: 8 12 18 10 5 Draw a histogram representing the above data.

Given below is the frequency distribution of the heights of 50 students of a class:

Class interval: 140−145 145−150 150−155 155−160 160−165

Frequency: 8 12 18 10 5

Draw a histogram representing the above data.