Scatter Plots and Association

Front

What is a scatter plot?

Back

A scatter plot 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 scatter plot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does a negative association in a scatter plot indicate?

Back

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

Tags

CCSS.HSF-LE.A.1B

Front

What is a linear association?

Back

A linear association means that the data points in a scatter plot can be approximated by a straight line.

Tags

CCSS.8.F.A.3

Front

What is a non-linear association?

Back

A non-linear association means that the relationship between the variables cannot be represented by a straight line.

Tags

CCSS.8.F.A.3

Front

What does 'no association' mean in a scatter plot?

Back

'No association' means that there is no discernible relationship between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a linear positive association in a scatter plot?

Back

A linear positive association can be identified by a pattern where data points slope upwards from left to right.

Front

How can you identify a linear negative association in a scatter plot?

Back

A linear negative association can be identified by a pattern where data points slope downwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

What does it mean if a scatter plot shows a cluster of points?

Back

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

Tags

CCSS.8.SP.A.1

Front

What is the purpose of analyzing scatter plots?

Back

The purpose is to determine the type of relationship (if any) between two variables and to make predictions based on that relationship.

Tags

CCSS.HSS.ID.B.5