# Why Do We Use Graphs?

## What do graphs tell us?

They are used to organise information to show patterns and relationships.

A graph shows this information by representing it as a shape.

Researchers and scientists often use tables and graphs to report findings from their research..

## How are graphs used in real life?

Graphs can be used in real life in many ways. … For example a bar graph may depict relative strength of various communities comprising a town population. A circle graph may show the percentage expenditure incurred on different household items during a month .

## Why do we use bar graphs?

Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger.

## Why do we use different types of graphs?

Line graphs A bar graph is useful for comparing data, especially when the numbers are large. They can be used to show how something changes over time or to compare items. … You can choose a bar graph to show any number.

## What are the main types of graphs?

There are several different types of charts and graphs. The four most common are probably line graphs, bar graphs and histograms, pie charts, and Cartesian graphs. They are generally used for, and are best for, quite different things.

## What is the purpose of charts and graphs?

Graphs and charts are visuals that show relationships between data and are intended to display the data in a way that is easy to understand and remember. People often use graphs and charts to demonstrate trends, patterns and relationships between sets of data.