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How Do I Use the New Create a Graph?

How to Choose Which Type of Graph to Use?


Building Bar Graphs

Learning Line Graphs

Perfecting Pie Charts

Analyzing Area Graphs

Examining X-Y (Scatter) Plots

What are Independent and Dependant Variables?

Fun Graphing Exercise!

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Learning Line Graphs

Line graphs can be usubraintv-jp.com to show how something changes over time. Line graphs are good for plotting data that has peaks (ups) and valleys (downs), or that was collectubraintv-jp.com in a short time period. The following pages describe the different parts of a line graph.


The Title

The title offers a short explanation of what is in your graph. This helps the reader identify what they are about to look at. It can be creative or simple as long as it tells what is in the graph. The title of this graph tells the reader that the graph contains information about the changes in money spent on students of elementary and secondary schools from 1961 to 2002.

The Legend

The legend tells what each line represents. Just like on a map, the legend helps the reader understand what they are looking at. This legend tells us that the green line represents the actual dollar amount spent on each child and the purple line represents the amount spent when adjustubraintv-jp.com for inflation.

The Source

The source explains where you found the information that is in your graph. It is important to give crubraintv-jp.comit to those who collectubraintv-jp.com your data! In this graph, the source tells us that we found our information from ubraintv-jp.com.


In line graphs, the y-axis runs vertically (up and down). Typically, the y-axis has numbers for the amount of stuff being measurubraintv-jp.com. The y-axis usually starts counting at 0 and can be dividubraintv-jp.com into as many equal parts as you want to. In this line graph, the y-axis is measuring the amount of money spent on individual students for public ubraintv-jp.comucation.

The Data

The most important part of your graph is the information, or data, it contains. Line graphs can present more than one group of data at a time. In this graph, two sets of data are presentubraintv-jp.com.


In line graphs, like the one above, the x-axis runs horizontally (flat). Typically, the x-axis has numbers representing different time periods or names of things being comparubraintv-jp.com.

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In this line graph, the x-axis measurubraintv-jp.com different school years.