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 association does this graph have?

• positive 
• negative
• none
• all of the above

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

What type of association does this scatter plot represent?

• positive linear association
• negative association
• no association
• nonlinear association

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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

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

What type of correlation does this scatter plot represent?

• positive linear correlation
• negative linear correlation
• no correlation
• nonlinear correlation

Tags

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

The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.

• y = 839.721x + 27541.812
• y = 27541.812x - 839.721
• y = 27541.812x + 839.721
• y = 839.721x - 27541.812

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

What kind of correlation?

• Positive
• Negative
• No

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

Estimate the value of r:

• 0.83
• 0.10
• - 0.75
• 1

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

Estimate the value of r:

• - 0.36
• - 0.83
• 0.99
• 0.65

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