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

What kind of correlation?

• Positive
• Negative
• No

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

If there is NO correlation, the correlation coefficient is ____. 

• 1
• -1
• 0

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

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

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

• Strong positive

• Weak positive

• Strong negative

• Weak negative

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

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

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

JoBeth draws a scatter plot that shows as the outside temperature increases, sales at her lemonade stand increase. Which best describes the scatter plot?

• The points show that as x-values increase, y-values increase.

• The points show that as x-values increase, y-values decrease.

• The points show that as x-values decrease, y-values stay the same.

• The points show that as x-values decrease, y-values increase.

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

Which of the following is an "r value" that tells you how well a line-of-best-fit fits the data?

• residual

• scatterplot

• parabola

• correlation coefficient

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

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

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TEKS.MATH.9-12.VI.C

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

What type of association does this graph have?

• positive
• negative
• none
• all of the above

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

The list below shows the most recent test scores for students in Mr. Garcia’s study group.

78, 90, 94, 72, 80, 68, 72, 88, 94, 98, 86, 96

Which box-and-whisker plot correctly represents the data in the list?

• 
• 
• 
• 

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