Association Correlation

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

As x increases, y decreases

• Postive Correlation

• Negative Correlation

• No Correleation

• Trend Line

The data slightly resembles a line but is more spread out

• Strong Correlation

• Weak Correlation

• No Correlation

• Correlation

Another name for correlation

• Association

• Causation

• Line of Best Fit

• Linear Regression

Which is the best description of the scatterplot?

• There is a strong, positive, linear relationship between the two variables.

• There is a strong, negative, linear relationship between the two variables.

• There is a moderate, quadratic relationship between the two variables.

• There is a strong, exponential, negative relationship between the two variables.

There is a strong correlation between spending money on swim suits and spending money on air conditioning. Is this association or causation?

• Association

• Causation

• Neither

What kind of correlation?

• Positive

• Negative

• No

A correlation value (r) that has a strong, positive linear association would have a value close to

• 1

• 0

• -1

• Cannot be answered