Practice Scatter Plots

Front

What is a line of best fit used for?

Back

To make predictions.

Front

What type of correlation does a scatter plot show when the points trend upwards from left to right?

Back

Positive linear association.

Front

What type of correlation does a scatter plot show when the points trend downwards from left to right?

Back

Negative linear association.

Front

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

Back

There is no discernible pattern or relationship between the variables.

Front

If Joe worked 30 hours and earns $20 per hour, how much is he expected to earn?

Back

$600.

Front

What type of correlation does a scatter plot show when the points are scattered without any clear trend?

Back

No association.

Front

What is a scatter plot?

Back

A graph that displays values for typically two variables for a set of data.

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What is the purpose of using a scatter plot?

Back

To visualize the relationship between two quantitative variables.