Correlation Notes

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

The measure of the strength and direction of a linear relationship

• Interpolation

• Extrapolation

• Correlations Coefficient

• Residual

Another name for correlation

• Association

• Causation

• Line of Best Fit

• Linear Regression

A line drawn in a scatter plot to fit most of the dots and

shows the relationship between the two sets of data

• Association

• Causation

• Line of Best Fit

• Linear Regression

What type of correlation does this scatter plot show?

• positive

• negative

• no correlation

• nonlinear association

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

What type of correlation does this graph have?

• Negative

• no association

• positive

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76