Scatter Plots

Order the scatter plots from weakest to strongest correlation.

• A, B, C

• A, C, B

• B, A, C

• B, C, A

Which scatter plot will have the highest R-squared value?

• A

• B

• C

• D

The correlation coefficient can be any number between

• 0 and 1

• -1 and 0

• -1 to 1

• -100 to 100

Which model will have the lowest coefficient of determination?

• A

• B

• C

• D

Which statements correctly describe the correlation coefficient? There are multiple answers.

• It can be positive

• It can be negative

• It describes the direction of a scatter plot

• It describes how well a model fits a scatter plot

What type of correlation does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive