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

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.1

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.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.B.4

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.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.1