Making Predictions with Scatter Plots

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

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8.5.D

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

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8.5.D

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

• Yes

• No

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8.5.D

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

• Yes

• No

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8.5.D

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

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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

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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

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8.5.D

Based on the graph, if Joe worked 15 hours, how much money did he earn?

• $300

• $100

• $200

• $400

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8.5.D

What is the age of the tree that is 8 feet tall?

• 6 Years

• 7 Years

• 8 Years

• 9 Years

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8.5.D

• 1425
• 1475
• 1525
• 1575

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CCSS.6.RP.A.3B