Trend Lines

Draw a the trend line for the problem shown.

Based on the previous slide, approximately how many cookies would be eaten at an event with 45 guests?

• 41

• 39

• 48

• 44

Using the previous scatterplot, how many people would you expect at an event where 28 cookies were eaten?

• 20

• 24

• 28

• 32

Tags

CCSS.8.EE.B.5

Draw a scatter plot that shows a negative, linear association and has one clear outlier. Circle the outlier. Have at least 5 total points. 

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 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week, if that person spends an average of 10 hours on recreational activities every week?

• 33 hours
• 85 hours
• 50 hours
• 65 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? 
Hint: create the trend line first

• 65
• 92
• 70
• 76

Draw a scatter plot that shows a positive association that is not linear. Have at least 5 points. 

Tags

CCSS.HSF-LE.A.1B