M8: Unit 8: Scatter Plot Line of Best Fit

Which graph displays the best fitting line?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y = 5x + 25

• y = x + 25

• y = 25x + 1

• y = 25x + 5

Tags

CCSS.8.EE.B.5

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 

Tags

CCSS.8.EE.B.5

Select the statement that best describes the line.

• The line is the line of best fit.

• The line is NOT a line of best fit because it does not pass through two points.

• The line is NOT a line of best fit because it does not go through the middle of the data set.

• The line is NOT a line of best fit because it does not go through the origin.

Tags

CCSS.8.EE.B.5

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 pages would be in a book with 19 chapters. 

• 150 pages
• 170 pages
• 190 pages
• 210 pages

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

• Yes

• No

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

• Yes

• No

What is the equation of the line of best fit

• y= -2x + 10

• y= 10x+ 2

• y=2x+10

• y= 10

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