Bivariate Data Associations

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What is bivariate data?

Back

Bivariate data involves two variables and is used to determine the relationship or association between them.

Tags

CCSS.6.SP.B.5A

Front

What does a positive correlation indicate?

Back

A positive correlation 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 correlation indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for two variables for a set of data, showing the relationship between them.

Tags

CCSS.8.SP.A.1

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What is an outlier in a scatterplot?

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An outlier is a data point that is significantly different from other observations, often lying far away from the main cluster of points.

Tags

CCSS.8.SP.A.1

Front

What does it mean if there is no correlation between two variables?

Back

No correlation means that there is no predictable 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 when the data points in a scatterplot can be approximated by a straight line.

Tags

CCSS.8.F.A.3

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What is a non-linear association?

Back

A non-linear association occurs when the relationship between two variables cannot be represented by a straight line.

Tags

CCSS.HSS.ID.B.5

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How can you identify a positive correlation in a scatterplot?

Back

In a scatterplot, a positive correlation is identified when the points trend upwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a negative correlation in a scatterplot?

Back

In a scatterplot, a negative correlation is identified when the points trend downwards from left to right.

Tags

CCSS.HSS.ID.B.5