CCSS.Math.Content.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

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CCSS.Math.Content.8.SP.A.2

What type of correlation does this graph show?

• Positive
• negative
• none
• all of the above

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CCSS.Math.Content.8.SP.A.2

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

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CCSS.Math.Content.8.SP.A.2

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

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CCSS.Math.Content.8.SP.A.2

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

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CCSS.Math.Content.8.SP.A.2

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

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CCSS.Math.Content.8.SP.A.2

As x increases, y decreases.

• A) no correlation

• B) negative correlation

• C) correlation coefficient

• D) positive correlation

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CCSS.Math.Content.8.SP.A.2

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

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CCSS.Math.Content.8.SP.A.2

Correlation or Causation?

The speed you drive and the amount of fuel you use

• Correlation

• Causation

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CCSS.Math.Content.8.SP.A.2

What is the equation of the line of best fit?

• y= 2x+3

• y=3x+2

• y= $\frac{1}{2}x\ +3$

• y= $-\frac{1}{2}x\ +3$

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CCSS.Math.Content.8.SP.A.2