Scatter plots
A scatter plot shows two related measurements as dots on a graph, and the overall pattern can reveal clustering, outliers, or whether the two measurements tend to increase together (positive association) or one increases as the other decreases (negative association): for example, points like (1 hour, 50%), (3 hours, 70%), and (5 hours, 90%) for study hours versus test scores trend upward from left to right, showing a positive association.
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Test your knowledge
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Midterm
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 2
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Final, Part 2 of 2
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