Scatter Plots Linear Regression

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Describe the association of the scatter plot.

• Linear; positive association

• Linear; negative association

• Non-linear

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade. 

• No relationship exists between the number of books students read and their English grades. 

What type of association does this graph show?

• Positive

• negative

• none

• all of the above

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

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

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

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

• A

• B

• C

• D