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

Find the equation of the line of best fit for the given data

• y = 4.19 + 163.41x
• y = 4.19 - 163.41x
• y =163.41 - 4.19x
• y = -163.41+ 4.19x
  

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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 kind of correlation does this scatterplot show?

• negative correlation
• no correlation
• positive correlation

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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 type of correlation does this graph have?

• Negative

• no association

• positive

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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

Will Species X reach a population of 1215 in year 5?

• Yes, the point (5, 1215) is a solution on the graph.

• No, the point (5, 1215) is NOT a solution on the graph.

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

What type of correlation does the graph show?

• Positive Correlation

• Negative Correlation

• No Correlation

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

The scatterplot shows the number of hours that 12 people spent learning to type on a keyboard and each person's average typing speed.

Based on the scatterplot, what is the best prediction of a person's average typing speed in words per minute (wpm) if the person has spent 70 hours learning to type?

• 100 wpm

• 55 wpm

• 85 wpm

• 70 wpm

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