Scatter Plots

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 linear relationship in a scatter plot indicate?

Back

A linear relationship indicates that as one variable increases or decreases, the other variable does so in a consistent manner, forming a straight line when graphed.

Tags

CCSS.8.F.A.3

Front

What is a cluster in a scatter plot?

Back

A cluster is a group of data points that are closely packed together in a specific area of the graph.

Tags

CCSS.8.SP.A.1

Front

What does the slope of a line in a scatter plot represent?

Back

The slope represents the rate of change between the two variables; it shows how much one variable changes for a unit change in the other variable.

Tags

CCSS.8.EE.B.5

Front

What is a positive correlation in a scatter plot?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is a negative correlation in a scatter plot?

Back

A negative correlation means that as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if a scatter plot has no correlation?

Back

No correlation means there is no discernible relationship between the two variables; the data points are scattered randomly.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify clusters in a scatter plot?

Back

Clusters can be identified by looking for areas where data points are densely packed together compared to other areas.

Tags

CCSS.8.SP.A.1

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are data points that fall far away from the other points; they can indicate variability in the data or errors in measurement.

Tags

CCSS.8.SP.A.1

Front

What does a strong positive correlation look like in a scatter plot?

Back

A strong positive correlation appears as a tight cluster of points that slope upwards from left to right.

Tags

CCSS.HSS.ID.B.5