Scatterplot Associations

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an observation in the dataset.

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CCSS.8.SP.A.1

Front

What does a positive relationship in a scatterplot indicate?

Back

A positive relationship indicates that as one variable increases, the other variable also increases.

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CCSS.HSS.ID.B.5

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What does a negative relationship in a scatterplot indicate?

Back

A negative relationship indicates that as one variable increases, the other variable decreases.

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CCSS.HSF.LE.B.5

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What does it mean if there is no relationship in a scatterplot?

Back

It means that changes in one variable do not affect the other variable.

Tags

CCSS.HSS.ID.B.5

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What is correlation in the context of scatterplots?

Back

Correlation refers to the strength and direction of a linear relationship between two variables.

Tags

CCSS.HSS.ID.B.5

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What is a linear association?

Back

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?

Back

A non-linear association is when the data points do not follow a straight line and may curve or cluster.

Tags

CCSS.HSS.ID.B.5

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How can you identify a positive correlation in a scatterplot?

Back

A positive correlation is identified when the points slope upwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a negative correlation in a scatterplot?

Back

A negative correlation is identified when the points slope downwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if a scatterplot shows a non-linear association?

Back

It means that the relationship between the variables is not constant and may change at different levels of the variables.

Tags

CCSS.HSS.ID.B.5