Scatterplots and Lines of Fit

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

• Graph A

• Graph B

• Graph C

• Graph D

Which line is the best line of best fit?

• a

• b

• c

• i don't see any lines

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Which of the following lines represents the line of best fit for the scatter plot?

• There is no line of best fit for this graph.

• B

• C

• D

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

What type of association (correlation) does this graph have?

• positive 

• negative

• none

• all of the above

Which equation best represents the data?

•  y= -3/5x + 2

•  y = 5/3x -2 

•  y = -3/5x - 2

•  y= 5/3x + 2

Which equation best represents the data?

•  y = 4x

•  y = -4x

•  y = 1/4x

•   y = -1/4 x