Math Positive Negative Correlations

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

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

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation

As X increases, Y increases.

• Line

• Negative Correlation

• No Relation

• Positive Correlation

The correlation is positive if the y variable generally increases as the x variable increases.

• True

• False

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

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

440 turtles

• 440 turtles

• 40 turtles

• 150 turtles

• 90 turtles