Making Predictions from Scatterplots

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

• A

• B

• C

• D

Based on this graph, what will be the balance remaining on Jason's loan after he makes the 12th payment?

• $750

• $150

• $450

• $300

Describe the association between the number of lanes rented and the number of people bowling.

• Non-linear association

• Negative linear association

• No association

• Positive linear association

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

What type of correlation does this scatter plot show?

• positive 

• negative

• no correlation

• nonlinear association

What type of association does this graph have?

• positive

• negative

• none

• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered