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.

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.

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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 does 'no association' mean in the context of scatterplots?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

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.

Tags

CCSS.8.F.A.3

Front

What is a nonlinear association?

Back

A nonlinear association is a relationship between two variables that cannot be represented by a straight line; the relationship may curve or change direction.

Tags

CCSS.8.F.A.3

Front

How can you determine the strength of a scatterplot's association?

Back

The strength of an association can be determined by how closely the points cluster around a line. Strong associations have points that are close to the line, while weak associations have points that are more spread out.

Tags

CCSS.HSS.ID.B.5

Front

What does a weak association look like on a scatterplot?

Back

A weak association appears when the points are widely scattered and do not closely follow a clear trend or line.

Tags

CCSS.HSS.ID.B.5

Front

What does a strong association look like on a scatterplot?

Back

A strong association appears when the points are closely clustered around a straight line, indicating a clear relationship between the variables.

Tags

CCSS.HSS.ID.B.5

Front

What is correlation in statistics?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Tags

CCSS.HSS.ID.C.9