Scatter Plots

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What is a scatter plot?

Back

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

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CCSS.HSF-IF.C.7A

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What does a positive correlation indicate in a scatter plot?

Back

A positive correlation 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 correlation indicate in a scatter plot?

Back

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

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CCSS.HSS.ID.B.5

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What does no correlation mean in a scatter plot?

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No correlation means there is no apparent relationship between the two variables; changes in one do not affect the other.

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CCSS.HSS.ID.B.5

Front

What is a positive linear association?

Back

A positive linear association is a type of correlation where the data points form a straight line that slopes upwards.

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What is a negative linear association?

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A negative linear association is a type of correlation where the data points form a straight line that slopes downwards.

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CCSS.HSF-LE.A.1B

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What is a nonlinear association?

Back

A nonlinear association occurs when the relationship between the variables cannot be represented by a straight line.

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CCSS.8.F.A.3

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How can you identify a positive correlation in a scatter plot?

Back

You can identify a positive correlation if the data points trend upwards from left to right.

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CCSS.HSF-LE.A.1B

Front

How can you identify a negative correlation in a scatter plot?

Back

You can identify a negative correlation if the data points trend downwards from left to right.

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CCSS.HSS.ID.B.5

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two quantitative variables.

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CCSS.8.SP.A.1