Choosing the Best Graph to Fit the Data

After performing analyses on a set of data, Mrs. Schoeneck examined the scatter plot of the residual values for each analysis. Which scatter plot indicated the best linear fit for the data?

• A

• B

• C

Which scatter plot has the best line of best fit for the data?

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Where does the following graph intersect?

• (5, 4)

• (1, 2)

• (4, 5)

• (0, 1)

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?

• y = (5/3) x + 375

• y = (1/3) x + 475

• y = (5/3) x + 475

• y = (1/3) x + 375

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

• A

• B

• C

• D

What is the best equation for the line of best fit?

• y= -2x + 10

• y= 10x+ 2

• y=2x+10

• y= 10

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

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

Which chart will BEST represents the decline of sales for a music company over the past five years? 

• Column 

• Line

• Pie

• XY scatter

What is the best equation of the line of best fit?

• y= 2x+3

• y=3x+2