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

Which of the following could be a possible line of best fit for the data?

• y = 3x + 0
• y = 5/6x + 490
• y = -2x + 470
• non linear

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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

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

The height of students and their scores on a test.

• positive correlation
• negative correlation
• no correlation

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

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

Shown is a residual plot.
Would a linear regression model be a good fit?

• YES
• NO

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

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

Estimate the value of r:

• 0.03
• -1
• 0.79
• - 0.72

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

Which with is the line of best fit?

• A) Black

• B) Orange

• C) Red

• D) Blue

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

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

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

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

No Association

• No relationship present

• Going uphill

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

Describe the relationship between the variables.

• A) Weak negative correlation

• B) Moderate negative correlation

• C) Moderate positive correlation

• D) Strong negative correlation

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

Which scatter plot does NOT suggest a linear relationship between x and y?

• 
• 
• 
• 

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