Measures of Spread Box Plot

What is the median of the data?

• 200
• 100
• 90
• 140

What is the interquartile range?

• 4
• 6
• 2
• 8

Which restaurant has a higher median wait time?

• Lucy's Steakhouse
• Gary's Grill
• They are the same

Which car club has the higher median?

• Cruisers
• Car Hops

What is the minimum value?

• 64
• 58
• 66
• 60

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

What value is the lower quartile?

• 66
• 58
• 60
• 64

What is the interquartile range (IQR) of the data set?

• 20
• 25
• 5
• 10

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.
• Place the numbers in order from least to greatest and find the middle.
• Find the difference between the maximum and the minimum.
• Subtract Q1 from Q3.

Find the Maximum

• 14
• 20
• 5
• 12