Scatterplots - Identify association

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an ordered pair.

Front

What does it mean if a scatterplot has no association?

Back

It means that the ordered pairs have no predictable pattern.

Front

What type of association is indicated by a scatterplot where one variable increases as the other decreases?

Back

Negative association.

Front

What type of association is indicated by a scatterplot where both variables increase together?

Back

Positive association.

Front

What does a zero correlation indicate in a scatterplot?

Back

It indicates that there is no relationship between the two variables.

Front

If the temperature outside increases, what is likely to happen to ice cream sales?

Back

Ice cream sales are likely to increase, indicating a positive correlation.

Front

What type of correlation would you expect between the amount of gas left in a car and the number of miles driven?

Back

Negative correlation.

Front

Which scatterplot shows no relationship?

Back

A scatterplot where the points are randomly scattered with no discernible pattern.

Front

What is the purpose of a scatterplot?

Back

To visually represent the relationship between two quantitative variables.

Front

What does a positive correlation look like on a scatterplot?

Back

Points that trend upwards from left to right.