Choosing a Line of Best Fit

Which graph has the correct line of best fit drawn?

• 
• 
• 

Which line best fits the trend of the data?

• 
• 
• 
• 

Nastia draws a line to show a correlation of the data in the scatter plot below. Did Nastia draw the line of best fit correctly?

• Yes

• No

Tags

CCSS.8.EE.B.5

Which trend line best fits the scatter plot?

• 
• 
• 
• 

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15 

• y = 1.45x + 22
• y = -2x + 15
• y = 1.33x + 30
• y = -1.5x + 24

Tags

CCSS.8.EE.B.5

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

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5

Which scatterplot most likely has a line of best fit represented by y = - 2x + 1

• W

• X

• Y

• Z

Tags

CCSS.8.EE.B.5