Scatter Plots Best Line of Fit Linear Review

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 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

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 

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

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.HSF-LE.A.1B

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

• y = 3x + 0

• y = 5/6x + 490

• y = -2x + 470

• non linear

Tags

CCSS.8.EE.B.5

Imagine you're helping Zoe, Mia, and Isla find the perfect line of best fit for their scatter plot project. Which of the following lines do you think will earn them an A+?

• A

• B

• C

• D

Answer explanation

Line C is the best choice as it closely follows the trend of the data points in the scatter plot, minimizing the distance from the points to the line, which is essential for a strong line of best fit.

Tags

CCSS.8.EE.B.5

Which equation best represents the line of best fit shown below?

• y = 4x

• y = 6x + 4

• y = 3x + 4

• y = 4x + 4

Tags

CCSS.8.EE.B.5

• y = x ; 20
• y = x + 2 ; 22
• y = 2 ; 2
• y = 0.5x + 2 ; 12

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

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

• A

• B

• C

• D

Tags

Scatter Plots

Line of Best Fit

Statistics