Advanced Algebra Statistics Quiz #1

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 4.1

• 6

• 4.5

• 36

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

Find the median of these numbers:

4, 2, 7, 4, 3, 8, 1, 7, 2, 5

• 4.3

• 5

• 7

• 4

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CCSS.6.SP.A.2

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Jessica has five grades from assessments and quizzes. They are all weighted equally. If her grades are 50, 70, 88, 70, and 88, what is her current average grade?

• 71

• 72

• 73

• 74

Tags

CCSS.7.NS.A.3

What is the interquartile range?

• 6

• 4

• 2

• 8

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CCSS.6.SP.A.1

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CCSS.6.SP.B.5

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

• Impossible to tell

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

Tags

CCSS.6.SP.A.1

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CCSS.6.SP.B.5

Which profession had the greatest IQR of salaries?

• Nuclear engineer

• Police officer

• Musician

• Impossible to tell

What is the IQR of the Cruisers?

• 4

• 6

• 13

• 7

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

Tags

CCSS.6.SP.A.1

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CCSS.6.SP.B.5