Scatter Plots #2

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

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

What type of association (correlation) does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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

Which sentence describes the relationship shown on this scatter plot?

• 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.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

• $100
• $200
• $300
• $400

Tags

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

• 1 year
• 3 years
• 6 years
• 8 years

Tags

CCSS.8.EE.B.5

• 14 cm
• 5.6 cm
• 10 cm
• 17.5 cm

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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

• 25 hours
• 35 hours
• 45 hours
• 15 hours

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.2