Scatter Plots

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 is the type of correlation?

• Negative 
• no correlation
• positive 

What type of correlation does this graph have?

• positive 
• negative
• none
• all of the above

What type of correlation does this graph have?

• strong
• weak
• none
• all of the above

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above

What type of correlation does this graph have?

• strong
• weak
• none
• all of the above

What type of correlation does this scatter plot show?

• negative correlation
• positive correlation
• no correlation

What type of correlation does this scatter plot represent?

• positive correlation
• negative correlation
• no association

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

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 pages would be in a book with 19 chapters. 

• 150 pages
• 170 pages
• 190 pages
• 210 pages