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

Describe the correlation in the graph shown.

• No Correlation
• Strong Negative
• Weak Positive
• Weak Negative

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

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

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

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

• f(x) = 25.05x + 5.57
• f(x) = 5.57x + 25.05
• f(x) = -5.57x + 25.05
• f(x) = 5.57x - 25.05

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

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

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

Which sentence describes the relationship shown on this scatterplot?

• 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 a trend line that shows the most accurate relationship between x and y and is is very close to most of the data points?

• linear regression
• no correlation
• trend line
• line of best fit

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

What would be an appropriate correlation (r) relating the number of kids you have and the number of points the Vikings score in a game?

• r = 1

• r = 0.43

• r = 0

• r = - 0.35

• r = -1

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

What would be the correlation be between study time and test grades?

• positive correlation
• negative correlation
• no correlation
• cannot be determined

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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

What type of association does this scatter plot represent?

• positive linear association
• negative linear association
• no association
• nonlinear association

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