Scatterplot Associations

Front

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.

Tags

CCSS.8.SP.A.1

Front

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

Front

What is correlation in the context of scatterplots?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if a scatterplot shows no association?

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

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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.

Tags

CCSS.8.F.A.3

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What is a non-linear association?

Back

A non-linear association is a relationship between two variables that does not follow a straight line; it may curve or change direction.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a positive correlation on a scatterplot?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a negative correlation on a scatterplot?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of analyzing scatterplots?

Back

Analyzing scatterplots helps to understand the relationship between two variables, identify trends, and make predictions.

Tags

CCSS.HSS.ID.B.5