Understanding Scatter Plots and Relationships

Front

What is a scatter plot?

Back

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

Front

Which scatter plot appears to be linear?

Back

A linear scatter plot shows a straight-line relationship between the two variables.

Front

What type of association does a positive association indicate?

Back

In a positive association, as one variable increases, the other variable also increases.

Front

What type of association does a negative association indicate?

Back

In a negative association, as one variable increases, the other variable decreases.

Front

What does 'no association' mean in a scatter plot?

Back

'No association' means there is no discernible relationship between the two variables.

Front

What is a positive linear association?

Back

A positive linear association is when the data points in a scatter plot form a straight line that slopes upwards.

Front

What is a negative linear association?

Back

A negative linear association is when the data points in a scatter plot form a straight line that slopes downwards.

Front

What is a nonlinear association?

Back

A nonlinear association occurs when the relationship between the variables cannot be represented by a straight line.

Front

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

Back

You can identify a positive association if the points trend upwards from left to right.

Front

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

Back

You can identify a negative association if the points trend downwards from left to right.