Number of children in six different classes are given below. Represent the data on a bar graph.

Class: V VI VII VIII IX X

Number of children: 135 120 95 100 90 80

(i) How do you choose the scale.
(ii) Which class has the maximum number of children?
(iii) Which class has the minimum number of children?

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Solution

Mark the horizontal axis OX as “Class ” and the vertical axis OY as “Number of Children”.

Along the horizontal axis OX, choose bars of uniform (equal) width, with a uniform gap between them.

Choose a suitable scale to determine the heights of the bars,according to the space available for the graph.Here, we choose 1 big division to represent 40 children.

(i) We choose 1 big to represent 40 children.
(ii)The maximum number of students are in class V.
(iii) The minimum number of students are in class X.

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Similar questions

Number of children in six different classes are given below. Represent the data on a bar graph.

Class	Fifth	Sixth	Seventh	Eighth	Ninth	Tenth
Number of children	135	120	95	100	90	80

(a) How would you choose a scale?

(b) Answer the following questions:

(i) Which class has the maximum number of children? And the

minimum?

(ii) Find the ratio of students of class sixth to the students of class

eight.

\begin{matrix} C l a s s & F i f t h & S i x t h & S e v e n t h & E i g h t h & N i n t h & T e n t h N o . o f c h i l d r e n & 135 & 120 & 95 & 100 & 90 & 80 \end{matrix}

\begin{matrix} C l a s s & F i f t h & S i x t h & S e v e n t h & E i g h t h & N i n t h & T e n t h N o . o f c h i l d r e n & 135 & 120 & 95 & 100 & 90 & 80 \end{matrix}

Class	Fifth	Sixth	Seventh	Eighth	Ninth	Tenth
Number of Children	$135$	$120$	$95$	$100$	$90$	$80$

Class	VI	VII	VIII	IX	X
Total no. of students	95	90	82	75	68
Number of students present on that day	92	85	78	69	62

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