Positive or Negative Correlations

What is the type of correlation?

• positive

• negative

• none

What type of correlation does this graph have?

• positive

• negative

• none

What type of correlation does this graph have?

• positive

• negative

• none

What type of correlation does this graph show?

• positive

• negative

• none

What type of correlation does this scatter plot show?

• positive

• negative

• none

What type of correlation does this scatter plot represent?

• positive

• negative

• none

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

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45