Scatterplots Trend Line, Line of Best Fit Equation

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

• A

• B

• C

• D

Which of the following could be the equation of the trend line for this graph?

• There is no trend line because there is no association

Which equation could be a trend line for this graph?

• There is no trend line because there is no association

Which of the following would be the most accurate equation for the scatter plot?

• y = -2x - 7

• y = -x + 7

• y = 3x + 7

• y = 25x + 7

What is the equation of the line of best fit?

• y = 1/2x + 3

• y = 1/40x 

• y = 1/2x + 15

•  y = 1/40x + 15

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

• A

• B

• C

• D

The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?

• y = -25x + 170

• y = 25x + 170

• y = -(5/8) x + 170

• y = (5/8) x + 170

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 

The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed.  What is the equation of the line of best fit?

• y = (3/2) x

• y = 30x

• y = 30x + 300

• y = (3/2)x + 300

Level 3: Choose the equation that best represents the line of best fit.

• y = -x + 7/2

• y = 2x - 5/2

• y = x - 5/2

• y = -2x - 7/2

• No correlation