Scatterplots Seminar

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

What is the type of association?

• Negative 
• no association
• positive 

What type of association does this graph have?

• positive
• negative
• none
• all of the above

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

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

• Positive correlation
• Negative correlation
• No correlation

What type of correlation?
The temperature outside and the amount of ice cream sales. 

• Positive correlation
• Negative correlation
• No correlation

Which best describes the form of this scatterplot?

• linear
• nonlinear
• scattered

how would you describe this association?

• positive linear strong

• positive linear weak

• positive linear moderate

• no association

Based on the line of best fit for the scatter plot, which of the following amounts is closest to the cost of a 120-minute phone call?

• $10

• $12

• $15

• $20