Scatterplot Associations

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What is a scatterplot?

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A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Tags

CCSS.8.SP.A.1

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What does a positive association in a scatterplot indicate?

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A positive association indicates that as one variable increases, the other variable also tends to increase.

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CCSS.HSS.ID.B.5

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What does a negative association in a scatterplot indicate?

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A negative association indicates that as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

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What does 'no association' mean in the context of a scatterplot?

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Tags

CCSS.HSS.ID.B.5

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What is a linear association?

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A linear association is when the data points in a scatterplot can be approximated by a straight line.

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CCSS.8.F.A.3

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What is a non-linear association?

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A non-linear association is when the relationship between the variables cannot be represented by a straight line, often showing curves or other patterns.

Tags

CCSS.HSS.ID.B.5

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How can you identify a positive linear association in a scatterplot?

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A positive linear association is identified by data points that rise from left to right, forming a straight line.

Tags

CCSS.HSF-LE.A.1B

Front

How can you identify a negative linear association in a scatterplot?

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A negative linear association is identified by data points that fall from left to right, forming a straight line.

Front

What is the purpose of analyzing scatterplots?

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Analyzing scatterplots helps to understand the relationship between two variables, identify trends, and make predictions.

Tags

CCSS.HSS.ID.B.5

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What does it mean if a scatterplot shows a cluster of points?

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A cluster of points indicates that there is a concentration of data values in that area, suggesting a potential relationship.

Tags

CCSS.8.SP.A.1