Scatter plot

Which sentence describes the relationship shown on this scatter plot?

• The more time spent training, the longer it takes to run 100 m.  
• As the time spent training increases, the time to run 100 m decreases. 
• As the time spent training decreases, the time to run 100 m decreases. 

Tags

CCSS.HSF-LE.A.1B

What is shown here? (click to remove words)

• trend line
• linear regression
• no correlation
• positive correlation

Tags

CCSS.8.EE.B.5

What is the type of correlation?

• Negative 
• no association
• positive 

Tags

CCSS.HSF-LE.A.1B

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

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

How many trees are 3 years old?

• 1

• 2

• 0

• 3

Tags

CCSS.HSF.IF.A.2

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170