Scatter Plot Line of Fit

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76

Q1. What is the trend observed in the data?

• A) positive trend

• B) negative trend

• C) no trend

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.

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

• A

• B

• C

• D

Which scatterplot shows the correct trend line (line of best fit) for the relationship shown?

• Graph A

• Graph B

• Graph C

• Graph D

What is the equation of the line of best fit?

• y = 5x + 25

• y = x + 25

• y = 25x + 1

• y = 25x + 5

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

• Yes

• No

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

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

• A

• B

• C

• D