Name: Graphical Representing Data
Uploaded: 2019-07-19
Duration: 10 min 38 s
Description: In this video, we will learn the concept of graphical representation of data such as bar graphs, histograms, frequency polygons etc., in a detailed manner.

Question

$24$ children of class $3$ named their favourite fruits as follows.

Fruit	Tally marks	Number of children
Mango	$∣ ∣ ∣ ∣$ $∣ ∣ ∣ ∣$	$9$
Banana	$∣ ∣ ∣ ∣$	$4$
Apple	$∣ ∣ ∣ ∣$ $∣$	$6$
Grapes	$∣ ∣ ∣ ∣$	$5$

Represent the data on a bar graph. Paste coloured strips of paper, or draw bars on paper to make a bar graph.

Accepted Answer

It is given to represent the data on the bar graph.

A bar graph is a graph that presents categorical data with rectangular bars with heights proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart.

Bar graphs consist of two axes. On a vertical bar graph, the horizontal axis shows the data categories. In this example, there are favourite fruits of the children. The vertical axis is the scale. In this example, it is the number of children.

Let's colour $1$ rectangular bar for $1$ favourite fruit of the children.

Interpret the information in the tally marks table about the favourite fruits of $24$ children of class $3$ .

The children that have mango as their favourite fruit $= 9$

So, colour $∣ ∣ ∣ ∣$ rectangular bars for mango.

The children that have banana as their favourite fruit $= 4$

So, colour $4$ rectangular bars for banana.

The children that have apple as their favourite fruit $∣ ∣ ∣ ∣$

So, colour $6$ rectangular bars for apple.

The children that have grapes as their favourite fruit $= 5$

So, colour $5$ rectangular bars for grapes.

Therefore, colour the bar graph to show the information about the favourite fruit of $24$ children of class $3$ .

Name	Tally marks	Number of votes
Deepak
Anita
Rakesh
Salma

Name	Tally marks	Number of votes
Deepak	$∣ ∣ ∣ ∣$	$5$
Anita	$∣ ∣ ∣ ∣$ $∣ ∣ ∣ ∣$	$10$
Rakesh	$∣ ∣ ∣ ∣$ $∣ ∣ ∣$	$8$
Salma	$∣ ∣ ∣ ∣$ $∣ ∣$	$7$

Name	Tally marks	Number of votes
Deepak	$∣ ∣ ∣ ∣$	$5$
Anita	$∣ ∣ ∣ ∣$ $∣ ∣ ∣ ∣$	$10$
Rakesh	$∣ ∣ ∣ ∣$ $∣ ∣ ∣$	$8$
Salma	$∣ ∣ ∣ ∣$ $∣ ∣$	$7$

Name	Tally marks	Number of votes
Deepak	$∣ ∣ ∣ ∣$	$5$
Anita	$∣ ∣ ∣ ∣$ $∣ ∣ ∣ ∣$	$10$
Rakesh	$∣ ∣ ∣ ∣$ $∣ ∣ ∣$	$8$
Salma	$∣ ∣ ∣ ∣$ $∣ ∣$	$7$

Important Questions on Data Handling

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