Scatterplot

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 chapters would be in a book with 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

What represents the x axis?

• ABC Company

• Hours Worked

• Amount Earned in Dollars

• Hours in Car

What represents the y axis?

• ABC Company

• Hours Worked

• Amount Earned in Dollars

• Hours in Car

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

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

• 25 hours

• 35 hours

• 45 hours

• 15 hours

Which graph has no association?

• A

• B

• C

• D

Which graph has a positive association?

• A

• B

• C

• D

Which graphs has a negative association?

• A

• B

• C

• D

Choose the graph with a trend line that best fits the data. (a)  

• graph 1

• graph 2

• graph 3

• graph 4

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