Scatterplot Associations

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What is a scatterplot?

Back

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

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CCSS.8.SP.A.1

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What does a positive correlation in a scatterplot indicate?

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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 in a scatterplot indicate?

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A negative correlation 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 correlation' mean in the context of a scatterplot?

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

Tags

CCSS.HSS.ID.B.5

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What is a linear association?

Back

A linear association is a relationship between two variables that can be represented by a straight line on a scatterplot.

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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 a relationship between two variables that cannot be accurately represented by a straight line; it may curve or change direction.

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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 slope upwards from left to right.

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CCSS.HSF-LE.A.1B

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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 slope downwards from left to right.

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CCSS.HSF-LE.A.1B

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What is the purpose of using scatterplots in data analysis?

Back

Scatterplots are used to visually assess the relationship between two variables, helping to identify trends, correlations, and potential outliers.

Tags

CCSS.8.SP.A.1

Front

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

Back

A cluster of points indicates that there is a strong relationship between the two variables in that area of the graph.

Tags

CCSS.8.SP.A.1