Line of Fit Technology

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

• $207.30

• $449.60

• $691.90

• $543.30

Determine the correlation coefficient of the given data:

• .9820

• -.9643

• 1.409

• .6864

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

y = 1.45x + 22

• y = 1.45x + 22

• y = -2x + 15

• y = 1.33x + 30

• y = -1.5x + 24

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

• A

• B

• C

• D

Find the equation of the line of best fit for the given data

• y = 163.41x+1.49

• y =- 163.41x+ 4.19

• y =- 4.19x+163.41

• y = 4.19x -163.41

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

• Graph A

• Graph B

• Graph C

• Graph D

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

What is the y-intercept?

• -2

• 3

• 2

• -3