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

What was the cost of one ticket for a child younger than fourteen?

• $0.15
• $6.50
• $8.30
• $11.65

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

The average movie ticket prices in the US are represented in a table and a graph.  Based on this information, what value is closest to the average rate of change for 1990 - 2010?

• $0.03
• $0.18
• $1.48
• $3.67

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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 kind of correlation?

• Positive
• Negative
• No

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

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

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

Which correlation coefficient indicates the strongest linear relationship between the variables?

• 0.79
• -0.63
• 0.52
• -0.84

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

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

Data is analyzed comparing hours studied and grades. It is determined that the correlation coefficient is 0.92. What does this mean?

• There is a strong positive correlation between studying and grades.

• There is a strong negative correlation between studying and grades.

• There is a weak positive correlation between studying and grades.

• There is a weak negative correlation between studying and grades.

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

The amount of time studying for your next test and the grade you make on it. Which is the explanatory variable?

• Amount of time studying for your next test

• Grade you make on test

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

What axis does the response variable go on?

• x-axis

• y-axis

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