Scatter Plots and Trendlines

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

• 20 hours
• 35 hours
• 45 hours
• 15 hours

Tags

CCSS.HSF.IF.A.2

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

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. (Where does the line match up with the x value of chapters?)

• 12 chapters
• 15 chapters
• 18 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

Tags

CCSS.8.EE.B.5

Which sentence describes the relationship shown on this scatterplot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.HSS.ID.B.6

Find the slope of the line.

• -2
• 2
• -1
• 1

Tags

CCSS.8.EE.B.5

What is the possible data that a negative correlation represents?

• slope
• The decrease of rain fall
• The increase of earthquakes

Tags

CCSS.HSF-LE.A.1B

Miss Smiley 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

What is the type of association?

• Negative 
• no association
• positive 

What type of association does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Tags

CCSS.HSF-LE.A.1B