D14 Line of Best Fit Rev Quizizz

Write the equation of the trend line in slope-intercept form.

Write an equation of the trend line in slope-intercept form.

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

• A
• B
• C
• D

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 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

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

• Yes

• No

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= -2x + 10

• y= 10x + 2

• y= 2x + 10

• y= -10x - 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the y-intercept?

• -2

• 3

• 2

• -3

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.

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

• positive
• negative
• none
• all of the above