Association Correlation

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

440 turtles

• 440 turtles

• 40 turtles

• 150 turtles

• 90 turtles

What type of association (correlation) does this graph have?

• positive

• negative

• none

• all of the above

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

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

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 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

• All of the above

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

If a scatterplot has no association then...

• ...it has no ordered pairs

• ...it has ordered pairs that have a negative pattern

• ...its ordered pairs have no predictable pattern

• ...if it makes a lion on a graph (roar!)