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 in a scatter plot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation in a scatter plot 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 does it mean if there is no correlation in a scatter plot?

Back

No correlation means that there is no apparent relationship between the two variables; changes in one variable do not predict changes in the other.

Tags

CCSS.HSS.ID.B.5

Front

What is a linear association in a scatter plot?

Back

A linear association means that the data points can be approximated by a straight line, indicating a consistent relationship between the variables.

Tags

CCSS.8.F.A.3

Front

What is a non-linear association in a scatter plot?

Back

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

Tags

CCSS.8.F.A.3

Front

How can you identify a positive relationship in a scatter plot?

Back

A positive relationship is identified when the data points trend upwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a negative relationship in a scatter plot?

Back

A negative relationship is identified when the data points trend downwards from left to right.

Tags

CCSS.HSS.ID.B.5

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 specific range.

Tags

CCSS.8.SP.A.1

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 patterns, trends, or correlations.

Tags

CCSS.8.SP.A.1