Scatter Plots

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What type of association does a negative linear association indicate?

Back

As one variable increases, the other variable decreases.

Front

What does a positive linear association in a scatter plot look like?

Back

As one variable increases, the other variable also increases.

Front

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

Back

The points are scattered around the graph with no predictable pattern.

Front

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

Back

The points trend downward from left to right.

Front

What does a scatter plot with points forming a horizontal line indicate?

Back

There is no relationship between the x-values and y-values.

Front

What is the purpose of a scatter plot?

Back

To visually represent the relationship between two quantitative variables.

Front

What type of association is shown if the scatter plot points trend upward?

Back

Positive linear association.

Front

If a scatter plot has ordered pairs with no predictable pattern, what type of association does it have?

Back

No association.

Front

What is the difference between a scatter plot and a bar graph?

Back

A scatter plot shows relationships between two data sets, while a bar graph shows categorical data.