12.3 Quiz

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

As x increases, y increases

• correlation coefficient
• causation
• positive correlation
• negative correlation

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

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

• A
• B
• C
• D

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

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

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

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? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above