TEKS.MATH.9-12.IV.D.1

What is the interquartile range of plot A?

• 6
• 8
• 15
• 28

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TEKS.MATH.9-12.IV.D.1

Which club has the smaller spread?

• Cruisers
• Car Hops

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TEKS.MATH.9-12.IV.D.1

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

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TEKS.MATH.9-12.IV.D.1

Find the geometric mean for 6 and 8.

• 16√3
• 4√3
• 3√4
• 3√16

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TEKS.MATH.9-12.IV.D.1

What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}

• 293.67
• 15.87
• 17.14
• 41.98

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TEKS.MATH.9-12.IV.D.1

Given the data set: 1, 2, 3, 6, 9, 11, 45, 102, calculate the percentile rank for 11.

• 70^th percentile

• 62.5^th percentile

• 72.5^th percentile

• 75^th percentile

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TEKS.MATH.9-12.IV.D.1

You have a mean of 56 and a standard deviation of 4.3. What is +2 standard deviations from the mean?

• 60.3

• 47.4

• 51.7

• 64.6

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TEKS.MATH.9-12.IV.D.1

A city has a population of 8792 people. The area of the city is approximately 6.5 square miles. Approximately, how many people per square mile live in the city?

• 57148
• 208
• 1353
• 135

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TEKS.MATH.9-12.IV.D.1

Find the Quartile 3 of these numbers:

2, 3, 4, 5, 5, 5, 7,

• 4

• 6

• 3

• 5

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TEKS.MATH.9-12.IV.D.1

Average fat intake per citizen of a country and average cancer rate of a country.  $r=.73$  

• strong positive

• strong negative

• weak positive

• weak negative

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TEKS.MATH.9-12.IV.D.1