Scatter Plots Review

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship of two data sets.

Front

What type of correlation does a scatter plot with no clear trend have?

Back

No association.

Front

What type of correlation does a scatter plot with points rising from left to right indicate?

Back

Positive correlation.

Front

What type of correlation does a scatter plot with points falling from left to right indicate?

Back

Negative correlation.

Front

In a scatter plot, what is an outlier?

Back

An outlier is a point that is far outside the main cluster of points/ordered pairs.

Front

What does a positive association between two variables mean?

Back

As one variable increases, the other variable also increases.

Front

What does a negative association between two variables mean?

Back

As one variable increases, the other variable decreases.

Front

What is the purpose of a scatter plot?

Back

To visually display the relationship between two quantitative variables.

Front

How can you identify an outlier in a scatter plot?

Back

An outlier can be identified as a point that is significantly distant from the other points.

Front

What does it mean if a scatter plot shows no association?

Back

It means there is no discernible relationship between the two variables.