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

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.1

Shelia collected data on ticket sales for the homecoming dance.  If she plots the data on the scatterplot shown above, which equation best models the table?

• y = 4.22x + 20.98
• y = 4.22x - 20.98
• y = -4.22x + 20.98
• y = -4.22x - 20.98

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

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14

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

CCSS.Math.Content.6.SP.B.4

What type of association does this scatter plot show?

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

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

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

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

A correlation shows that two things are

• related
• causing each other
• unrelated

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

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.1

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

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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