Scatter Plots TEKS 8.11A & 8.5C

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 does no association mean in a scatter plot?

Back

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

Tags

CCSS.HSF-LE.A.1B

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 scatter plot.

Tags

CCSS.8.F.A.3

Front

What is a nonlinear association?

Back

A nonlinear 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 linear association in a scatter plot?

Back

A positive linear association is identified by points that trend upwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

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

Back

A negative linear association is identified by points that trend downwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

What is the purpose of a trend line in a scatter plot?

Back

A trend line is used to summarize the relationship between the variables and can help predict values.

Tags

CCSS.8.SP.A.2

Front

What does the slope of a trend line indicate?

Back

The slope of a trend line indicates the direction and strength of the relationship between the two variables.

Tags

CCSS.8.EE.B.5