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

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

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

Find the equation of the Line of Best Fit from the data set. 

• y = 0.892x - 1.82
• y = 1.82x - 5.02
• y = 0.796x + 5.02
• y = 1.82x + 5.02

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

TEKS.MATH.9-12.VII.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 is the approximate average rate of change in the total calories Leo burned between 40 and 70 minutes?

• 7.71
• 8.21
• 8.33
• 8.75

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

The graph shows a line of best fit for data collected on the price of a unit in relation to the number of units sold.  What is the equation of the line of best fit?

• y = - (1/2) x + 10
• y = - (1/50) x + 40
• y = - (1/2) x + 40
• y = - (1/50) x + 10

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

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

What percent of all students were females who prefer football?

• 16%

• 80%

• 8%

• 12%

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

Look at the Bar Graph "Student Grades". Which grade did the smallest number of students get?

• A

• B

• C

• D

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

What would you divide to find the relative frequencies by row? (Select all that apply.)

• 55/118

• 55/143

• 88/103

• 88/143

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

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

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

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

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