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

Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?

• 10
• 12
• 15
• 14

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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

Which restaurant has a higher median wait time?

• Lucy's Steakhouse
• Gary's Grill
• They are the same

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

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

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

The following scatterplot describes the relationship between height (in cm) and foot length (also in cm) for 12 randomly selected students from the British Census @ Schools database. Which of the following is the best description of this relationship?

• There is some random variation, but otherwise height is directly proportional to foot length.
• There is a roughly linear relationship between height and foot length.
• There is a moderately weak, positive linear relationship between height and foot length.
• The relationship between height and foot length is linear, positive, and very strong.

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

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages

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

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

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

What is the box plot?

• skewed left

• skewed right

• symmetrical

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

What was the height of the roller coaster at 6 seconds?

• 120 feet

• 50 feet

• 25 feet

• 100 feet

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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