Positive Negative Correlation Scatter Plots

What is the type of correlation?

• Negative 

• no association

• positive 

Which statement describes the trend in the scatter plot below?

• as PDSI increases, the temperature decreases

• as PDSI increases, the temperature increases

• no correlation between PDSI and temperature

• as PDSI decreases, the temperature decreases

What type of association does this graph have?

• positive

• negative

• none

• all of the above

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

• Graph A

• Graph B

• Graph C

• Graph D

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

The number of notebooks bought and the total cost.

• positive association

• negative association

• no association

What type of association 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 below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade. 

• No relationship exists between the number of books students read and their English grades.