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Introduction to Scatter Plots. McDougal Littell – Algebra 1 March 19, 2014. Scatter Plot. A scatter plot is used to determine whether there is a relationship between paired data. They can also be used to analyze “trends” in the data to predict past or future information. .
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Introduction to Scatter Plots McDougal Littell – Algebra 1 March 19, 2014
Scatter Plot • A scatter plot is used to determine whether there is a relationship between paired data. • They can also be used to analyze “trends” in the data to predict past or future information.
Classifying Scatter Plots 3 Types of Associations: Positive Association Negative Association
Classifying Scatter Plots No Association
Why do we care? • Scatter plots represent REAL LIFE data. • Years since 1990 and population • Weeks since birth and weight • Years and average home size • Length of sailboat and cost