http://www.ck12.org Chapter 7. Organizing and Displaying Data
7.1 Line Graphs
Here you’ll learn the difference between continuous data and discrete data as it applies to a line graph. You’ll also
learn how to represent data that has a linear pattern on a graph and how to solve problems with line graphs.
You’re scanning some photographs for a customer. The customer is charged a $25 set-up fee for the scanner and
then 0.55 per scan. How much would the customer get charged for 8 scans? What about for 15 scans?
Watch This
First watch this video to learn about line graphs.
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Click image to the left for more content.CK-12 Foundation: Chapter7LineGraphsA
Then watch this video to see some examples.
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Click image to the left for more content.CK-12 Foundation: Chapter7LineGraphsB
Watch this video for more help.
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Click image to the left for more content.Khan Academy Application problem with graph
Guidance
Before you continue to explore the concept of representing data graphically, it is very important to understand the
meaning of some basic terms that will often be used in this concept. The first such definition is that of avariable.
In statistics, a variable is simply a characteristic that is being studied. This characteristic assumes different values