homework 11/3 scatter plots

What is the type of correlation?

• Negative 

• no association

• positive 

What type of correlation does this graph have?

• positive 

• negative

• 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 show?

• Positive

• negative

• none

• all of the above

What type of correlation does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of correlation does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear 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

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