CCSS.Math.Content.8.SP.A.1

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.1

If the carpenter worked for 6 days, how much did he earn?

• 1250
• 1500
• 1750
• 2000

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CCSS.Math.Content.8.SP.A.1

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6
• 50
• 55
• 59

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CCSS.Math.Content.8.SP.A.1

The correlation coefficient is a number "r" such that: 

• -1<r<1
• -1>r>1
• -1≤r≤1
• -1≥r≤1

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CCSS.Math.Content.8.SP.A.1

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.1

What type of correlation does this graph have?

• Negative 
• no association
• positive 

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CCSS.Math.Content.8.SP.A.1

In a scatterplot, an outlier...

• ...is something we didn't learn in 8th grade
• ...is a point on the origin
• ...is a point that is far outside the main cluster of points/ordered pairs
• ...is a group of points that are close together

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CCSS.Math.Content.8.SP.A.1

Is the graph positive or negative?

• Positive

• Negative

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CCSS.Math.Content.8.SP.A.1

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the line of best fit 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.1

The daily attendance at a bowling alley was recorded for 15 days. The scatterplot shows the number of lanes rented each day and the number of people who bowled that day. Which statement is best supported by the scatterplot?

• There is a non-linear assocation between the number of lanes rented and the number of people who bowl.

• There is a negative linear association between the number of lanes rented and the number of people who bowl.

• There is no apparent association between the number of lanes rented and the number of people who bowl.

• There is a positive linear association between the number of lanes rented and the number of people who bowl.

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CCSS.Math.Content.8.SP.A.1