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 correlation indicate in a scatter plot?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean in a scatter plot?

Back

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

Front

What is a linear association in a scatter plot?

Back

A linear association means the data points can be approximated by a straight line.

Tags

CCSS.8.F.A.3

Front

What is a nonlinear association in a scatter plot?

Back

A nonlinear association means the relationship between the variables cannot be represented by a straight line.

Tags

CCSS.8.F.A.3

Front

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

Back

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

Front

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

Back

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

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually assess the relationship between two variables and to identify trends or patterns.

Tags

CCSS.8.SP.A.1

Front

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

Back

A cluster of points indicates that there is a concentration of data values in that area, suggesting a potential relationship.

Tags

CCSS.8.SP.A.1