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9.7: Group Project

Last updated

Apr 22, 2025
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- 9.6: Key Terms
- 9.8: Critical Thinking

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Data Visualization: Scatterplot with Color Shading

For your group, you will select at least 15 different models and types of vehicles and research the value of a used car for that model in your area.

You can search used car websites such as autotrader.com or cars.com.

The result is you should have at least 15 records where you record the brand, model, type of vehicle, age, and value of the vehicle.

For example, a few rows in the dataset might look like (Table 9.8):

Table 9.8 Used Car Dataset Template
Brand	Model	Type_of_Vehicle	Age	Value
Toyota	Camry LE	Sedan	5	$22750
Ford	Expedition	SUV	7	$37640

As a group, complete the following steps:

Create a scatterplot of your $(x, y)$ data points. Plot the age of the vehicle on the x-axis and plot the value on the y-axis.
Color code the data points according to type of vehicle. For example, color datapoints for sedans using one color, color datapoints for SUVs using a different color, color sports cars using a different color, etc.
Discuss the trend of the scatterplot—that is, do the plotted points follow an upward trend from left to right?
Discuss the information provided by the color coding of the datapoints on the scatterplot.
Could this scatterplot be useful if you were shopping for a used vehicle?

Data Visualization: Scatterplot with Color Shading

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