Analyze Linear Associations

440 turtles

• 440 turtles

• 40 turtles

• 150 turtles

• 90 turtles

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

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?

• 65

• 92

• 70

• 76

What is the correlation?

• Positive linear

• Negative linear

• Non-linear

• No correlation

What is the correlation?

• Positive linear

• Negative linear

• Non-linear

• No correlation

What is the correlation?

• Positive linear

• Negative linear

• Non-linear

• No correlation

What is the correlation?

• Positive linear

• Negative linear

• Non-linear

• No correlation

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 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

As x increases, y decreases.

• no correlation

• negative correlation

• correlation coefficient

• positive correlation