Foundations Data Assessment

What is the median of the data?

• A. 200
• B. 100
• C. 90
• D. 140

What is the lower quartile (Q1) of the data set?

• A. 25
• B. 30
• C. 26
• D. 28

What data value is the upper quartile (Q3)?

• A. 64
• B. 62
• C. 66
• D. 58

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 21

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

Find the median, first quartile, third quartile, and interquartile range of the data.

23, 33, 25, 16, 27, 43, 29, 40, 35

• Median: 29

  First Quartile: 24

  Third Quartile: 37.5

  IQR: 13.5

• Median: 27

  First Quartile: 25

  Third Quartile: 35

  IQR: 10

• Median: 29

  First Quartile: 25

  Third Quartile: 37.5

  IQR: 12.5

• Median: 27

  First Quartile: 24

  Third Quartile: 35

  IQR: 11

Which city has a lower IQR?

• City A
• City B
• They are the same

• 50

Which of the following statements is TRUE?

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

What percent of students have a height between 58 inches and 60 inches?

• 25%
• 50%
• 75%
• 100%

What percent of students have heights between 60 inches and 66 inches?

• 75%
• 50%
• 100%
• 25%