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# Bar Graph

Look at some of the questions below:-

1. Bar Graph

2. Line Graph

Whenever you are looking at the bar or line graph, please note the following:-

• the title
• the x-axis (horizontal axis)
• the y-axis (vertical axis)
• units of measurement shown on the x- and y-axis (e.g., percentage, kilograms, number of people or periods of time)
• a key or a legend.

Let’s dive deep into each:_

#### The Title

The title of a graph is a part of the information that depicts what a graph is about.

##### Example:-

The title of the line graph is the channel on news viewing figures.

What is the title of the graph? Click/Touch when you find the answer.

 Graphs Title [expand title=”Check here”] Flu rates of male and female [/expand] [expand title=”Click here”] Life cycle of silkworm [/expand] [expand title=”Click here”] Geothermal Power plant [/expand] [expand title=”Click here”] Proportion of adult population attending paid events [/expand] [expand title=”Click here”] Transport preferences among people from different countries [/expand] [expand title=”Click here”] Reasons for cycling to work and reasons for driving to work [/expand]

#### The x-axis and the y-axis

Line and bar graphs always have an x-axis and a y-axis.

Click on the words below to see the x and y axes on this graph.

• The x-axis signals the horizontal axis
• The y-axis signals the vertical axis.

You need to find out what this individual axis represents in the graph.

##### Example:-

On the x-axis:

• a year- 1996 as a whole axis
• the unit of measurement is per month

On the y-axis:

• the information indicates the rate of ‘flu’
• the unit of measurement is ‘thousand’.

1 What information is on the x-axis and y-axis?
 [expand title=”Check here(x-axis)”]days of a week[/expand] [expand title=”Check here(y-axis)”]unit of measurement[/expand] [expand title=”Check here(x-axis)”]years[/expand] [expand title=”Check here(y-axis)”]unit of the measurement[/expand]
• The key,index or legend

An index is found in a graph where there is more than one line or bar. It tells the reader what each line or bar represents. Let’s look at an example key below.

##### Example:-

What information is on the key of the the given graph?

 muffin sold review about the products(blue line) email delivery support(yellow line) comment blog posts(pink line)

#### Interpreting data:-

Reading bar or line graph is more or less similar for which we have to combine the above-learnt concept.

#### Let’s check what we have found,

In 1996, the consumption of margarine was reported around 80 grams.