Making Scatter Plots

What is the y-intercept for the given scatter plot?

• (0,900)

• (900,0)

• (2001, 400)

• (1995, 900)

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

• A

• B

• C

• D

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

• y = -2x - 7

• y = -x + 7

• y = 3x + 7

• y = 15x + 7

Which equation written in slope-intercept form represents the trend line shown on the scatter plot below?

In the scatter plot, does the image shows a good Trend Line?

• Yes

• No

Tags

8.5.D

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

Tags

8.5.D

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

Tags

8.5.D

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

• 25 hours

• 35 hours

• 45 hours

• 15 hours

Tags

8.5.D

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 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

Tags

8.5.D

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?

• 85

• 92

• 70

• 76

Tags

8.5.D