8.5C Scatter Plots Association

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What type of correlation exists between the outside temperature and the amount of layers you wear?

Back

Negative correlation

Front

What type of association exists between the hours a person spends in the mall and the amount of money they spend?

Back

Positive association

Front

What type of correlation exists between the number of siblings you have and your weight?

Back

No correlation

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

What is the purpose of a scatter plot?

Back

To visually represent the relationship between two quantitative variables.

Front

What does it mean if there is no correlation between two variables?

Back

There is no predictable relationship between the two variables.

Front

How can you identify a positive correlation on a scatter plot?

Back

The points on the scatter plot slope upwards from left to right.

Front

How can you identify a negative correlation on a scatter plot?

Back

The points on the scatter plot slope downwards from left to right.