CCSS.Math.Content.HSS.ID.B.6

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.HSS.ID.B.6

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

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CCSS.Math.Content.HSS.ID.B.6

What type of correlation does this scatter plot show?

• positive

• negative

• no correlation

• nonlinear association

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CCSS.Math.Content.HSS.ID.B.6

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

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CCSS.Math.Content.HSS.ID.B.6

What correlation is there between time spent driving and gas left in your tank?

• No Correlation

• Negative Correlation

• Positive Correlation

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CCSS.Math.Content.HSS.ID.B.6

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

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CCSS.Math.Content.HSS.ID.B.6

The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?

• A) As the number of coffee shops increase, violent crimes appears to increase.

• B) The line of best fit (regression line) shows a positive correlation

• C) The data has a positive correlation coefficient

• D) An increase in coffee shops causes an increase in violent crimes

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CCSS.Math.Content.HSS.ID.B.6

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot. Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

• 9 hours

• 10 hours

• 7 hours

• 8 hours

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CCSS.Math.Content.HSS.ID.B.6

Which value below could be the correlation of the scatterplot?

• -0.923

• -0.478

• 0.006

• 0.777

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CCSS.Math.Content.HSS.ID.B.6

What type of association does this graph have?

• positive
• negative
• none
• all of the above

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CCSS.Math.Content.HSS.ID.B.6