## How does a graph work?

Graphs have two axes, the lines that run across the bottom and up the side.

The line along the bottom is called the horizontal or x-axis, and the line up the side is called the vertical or y-axis.

The x-axis may contain categories or numbers.

You read it from the bottom left of the graph..

## What is Graph example?

A graph is a common data structure that consists of a finite set of nodes (or vertices) and a set of edges connecting them. … For example, a single user in Facebook can be represented as a node (vertex) while their connection with others can be represented as an edge between nodes.

## What is the difference between a graph and a chart?

A graph is a type of diagram and a mathematical function which can also be used about a diagram of the data which is statistical. … On the other hand, a chart is a form of graphic representation of the data, where a line chart is one kind of form.

## What do graphs help see?

Graphs are a common method to visually illustrate relationships in the data. The purpose of a graph is to present data that are too numerous or complicated to be described adequately in the text and in less space.

## What is a bar graph explain with an example?

A bar chart is a graph with rectangular bars. The graph usually compares different categories. … For example, if you had two houses and needed budgets for each, you could plot them on the same x-axis with a grouped bar chart, using different colors to represent each house. See types of bar graphs below.

## How do you describe the trend of a bar graph?

Bar graphs divide the data into separate bars and lets you track progress over time. To describe the graph, follow the trend from left to right and describe if it does down, up, or stays the same.

## How do you read a graph?

To interpret a graph or chart, read the title, look at the key, read the labels. Then study the graph to understand what it shows. Read the title of the graph or chart. The title tells what information is being displayed.

## How do you describe a bar chart?

A bar chart uses either horizontal or vertical bars to show comparisons among two or more categories. One axis of the chart shows the specific categories being compared, and the other axis represents a given value (usually a percentage or a dollar amount).

## Why would you use a bar chart?

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.