Scatterplots - Identify association

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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.

Tags

CCSS.8.SP.A.1

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What does a positive association in a scatterplot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

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What does a negative association in a scatterplot indicate?

Back

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 is a linear relationship in a scatterplot?

Back

A linear relationship is when the data points can be approximated by a straight line.

Tags

CCSS.8.F.A.3

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What is a non-linear relationship in a scatterplot?

Back

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

Tags

CCSS.8.F.A.3

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How can you identify a strong association in a scatterplot?

Back

A strong association is indicated by data points that are closely clustered around a line or curve.

Tags

CCSS.HSS.ID.B.5

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How can you identify a weak association in a scatterplot?

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A weak association is indicated by data points that are spread out and do not closely follow a line or curve.

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

Back

No association means that there is no discernible pattern between the two variables; changes in one variable do not affect the other.

Tags

CCSS.HSS.ID.B.5

Front

What is the significance of the x-axis in a scatterplot?

Back

The x-axis typically represents the independent variable, which is the variable that is manipulated or changed.

Tags

CCSS.8.SP.A.1

Front

What is the significance of the y-axis in a scatterplot?

Back

The y-axis typically represents the dependent variable, which is the variable that is measured or observed.

Tags

CCSS.8.SP.A.1