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

How many students scored 93% or less?

• 6

• 16

• 14

• 13

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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

Estimate the correlation coefficient for this scatterplot.

• r = 1.2
• r = 0.89
• r = 0
• r = -0.89

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

What was the average rate of change in the population from 1900 to 1990?

• 175 million people/year
• 1.94 million people/year
• 2.13 million people/year
• -1 million people/year

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

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

The table below classifies 103 elements as metal, metalloid, or nonmetal and as solid, liquid, or gas at standard temperature and pressure.

What fraction of all solids and liquids in the table are metalloids?

• 7/92

• 2/30

• 1/2

• 0

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

Determine the correlation coefficient of the given data:

• .9820

• -.9643

• 1.409

• .6864

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

Which of the following best describes a scatter plot that shows no relationship between the x-values and the y-values?

• As x-values increase, the points are higher on the graph.

• As x-values decrease, the points are higher on the graph.

• The points are scattered around the graph.

• The points form a horizontal line.

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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