Correlation of Data Sets

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Describe the correlation in the graph shown.

• Weak Negative

• Weak Positive

• Strong Negative

• Strong Positive

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump

• negative: the less you run the less distance of your jump

• positive: the further your running start the less your distance

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant

• Length of life increases as amount of sunlight increases

• Length of life increases as amount of sunlight decreases

• Length of life decreases as amount of sunlight increases

Name the type of association.

• no association

• nonlinear association

• positive associtation

• negative association

• scatter association

Which is a true statement about two numerical sets of data that have negative association?

• As one variable increases, the other variable does not change.

• As one variable increases, the other variable increases.

• As one variable decreases, the other variable decreases.

• As one variable increases, the other variable decreases.

What kind of correlation exists if as x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation