Data Displays and Distribution

How is the median (Q2) represented in a box plot?

• in the left (end) whisker

• in the right (end) whisker

• Outside the box

• Inside the box

What does the length of the box (Q1 to Q3) in a box plot represent?

• Mode

• Interquartile range (IQR)

• Median

• Mean

Determine the median of the set of data: 3, 7, 7, 1, 10, 4, 3

• 5

• 4

• 1

• 3

Determine the mean of the set of data: 3, 7, 7, 1, 10, 4, 3

• 5

• 4

• 1

• 3

Determine the mode of the set of data: 3, 7, 7, 1, 10, 4, 3

• 35

• 10

• 3 and 7

• no mode

Which box plot correctly models these data values? 95, 72, 84, 98, 87, 75, 100, 86, 90, 81, 93, 90 .

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