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

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

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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

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

What type of correlation does this graph have?

• positive 
• negative
• none
• all of the above

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

A statistical method used to fit a linear model to a given data set.

• line of best fit
• linear regression
• least squares line
• linear progression

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

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 140 pages. 

• 12 chapters
• 19 chapters
• 14 chapters
• 21 chapters

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

Which graph shows a line of best fit for the scatter plot?

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

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

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

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CCSS.Math.Content.8.SP.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

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

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

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

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

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