Analyzing a Linear Model to Make Predictions

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

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

Tags

CCSS.8.EE.B.5

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

• 28

• 28.5

• .5

• 56.5

Tags

CCSS.HSF-BF.B.4A

27.5 miles

27.507

3 miles

• 27.5 miles

• 27.507

• 3 miles

Tags

CCSS.HSF-LE.A.1B

Using a linear model, which is the best prediction for the amount of sunny days if there were 10 rainy days?

• A

• B

• C

• D

Using a linear model, which is the best prediction for the amount of sunny days if there were 10 rainy days?

• A

• B

• C

• D

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6

• 50

• 55

• 59

To the nearest whole number, if someone typed 87 words how many cups of coffee did they drink?

• 2

• 3

• 4

• 5

Tags

CCSS.HSF-LE.A.1B

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

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5