Scatter Plots

Which statement best describes the relationship shown in this scatter plot?

• Students with a bigger shoe size earn a higher math score

• Students with a smaller show size earn a higher math score

• A student's shoe size has no effect on their math score

• A student with a shoe size of 8 will always earn a score of 80%

Which graph shows a line of best fit for the scatter plot?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.EE.B.5

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No

Tags

CCSS.8.EE.B.5

Estimate the correlation coefficient for this scatterplot.

• r = -0.9

• r = 1

• r = 0.9

• r = -1

Which with is the line of best fit?

• Black

• Orange

• Red

• Blue

Tags

CCSS.8.EE.B.5

If the debate team practiced for only 1 hour, how many debates are they expected to win?

• 2

• 6

• 10

• 14

Find the slope for the trend line using points (2,2) and (4,3)

• 2

• 1/2

• -2

Tags

CCSS.8.EE.B.5

What type of association does this graph have?

• positive

• negative

• none

• all of the above