Best Line of Fit

Write the linear regression equation for the following data points. Round to the nearest hundredth.

Tags

CCSS.8.EE.C.8C

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 is the y-intercept?

• -2

• 3

• 2

• -3

Which line is the best line of best fit?

• a

• b

• c

• i don't see any lines

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 is the equation of the line of best fit?

• y= 2x

• y=3x+7

Tags

CCSS.8.EE.B.5

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

Determine the predicted income if 22 hours were worked on an assembly job.

• $207.30

• $449.60

• $691.90

• $543.30

Tags

CCSS.HSF.LE.B.5

Which graph has a correlation coefficient (r) of about -.6 ?

• a

• b

• c

• d