Scatterplots - Create, Read, and Analyze

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What is a scatter plot?

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A graph that shows the relationship of two data sets.

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Name the correlation in this graph: Negative correlation, No correlation, Lots of correlation, Positive correlation

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No correlation

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What type of relationship does this graph have?

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Negative

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Which scatter plot shows a positive relationship? Options: Graph A, Graph B, Graph C, Graph D

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Graph C

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The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Which statement is true?

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More ticket writers results in more tickets issued.

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The following scatter plot shows the weights and lengths of some dinosaurs. Which statement accurately describes the information? Options: The information shows a positive correlation. The weight of a dinosaur tends to increase according to its length., The information shows a negative correlation. the weight of a dinosaur tends to decrease according to its length., The information shows no correlation. The weight and length vary according to the type of dinosaur., The information shows no correlation. The relationship between the weight and length of a dinosaur is uncertain.

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The information shows a positive correlation. The weight of a dinosaur tends to increase according to its length.

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Relationship between traffic volume and vehicle speed on a freeway (1999)

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As traffic volume increases, vehicle speed decreases.