Scatter Plots

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

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

Based on this scatter plot, a student with 6 absences should get approximately what score on the final exam? 

• ≅ 58
• ≅ 92
• ≅ 100
• ≅ 76

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

The equation of the trend line
is  y= 1/2x +1. Use the equation to determine the amount of time it would take to bike 20 laps. 
*Look at the x and y axis first before starting the problem
   

• 38 minutes
• 11 minutes
• 41 minutes
• 10 minutes

Which scatter plot shows a negative relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Which scatter plot shows no relationship?

• Graph A
• Graph B
• Graph C
• Graph D

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.
• The more books students read, the higher their English grade.
• The fewer books students read, the higher their English grade. 
• No relationship exists between the number of books students read and their English grades. 

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation

The number of siblings you have and your weight. 

• Positive correlation

• Negative correlation

• No correlation