TEKS.MATH.8.11A

Negative association is when points in a scatterplot travel _____.

• Up and right
• Down and right
• Horizontally
• Vertically

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TEKS.MATH.8.11A

What type of association does this graph show?

• Positive
• negative
• none
• all of the above

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TEKS.MATH.8.11A

The number of notebooks bought and the total cost.

• positive association
• negative association
• no association

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TEKS.MATH.8.11A

If a scatterplot has no correlation then...

• ...it has no ordered pairs
• ...it has ordered pairs that have a negative pattern
• ...its ordered pairs have no predictable pattern
• ...if it makes a lion on a graph (roar!)

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TEKS.MATH.8.11A

Attendance & grades have a r-value of
 ( - 0.89)...this indicates a ______ correlation.

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

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TEKS.MATH.9-12.VI.C.2

TEKS.MATH.8.11A

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes
• No

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TEKS.MATH.8.11A

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76

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TEKS.MATH.9-12.VI.C.2

TEKS.MATH.9-12.VI.C.1

TEKS.MATH.8.11A

What type of correlation does this graph have?

• Positive correlation

• Negative correlation

• No correlation

• Constant correlation

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TEKS.MATH.6.6A

TEKS.MATH.8.11A

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

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TEKS.MATH.8.11A

A negative correlation is a relationship between two variables such that as one variable increases the other decreases.

• True

• False

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TEKS.MATH.8.11A