Dot plot and Box and Whiskers

What is the interquartile range?

• 4

• 6

• 2

• 8

What value is the lower quartile?

• 66

• 58

• 60

• 64

2. 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.

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

• 25%

• 50%

• 75%

• 100%

What is the upper quartile of the set of data; 2, 4, 6, 6, 7, 8, 10

• 4

• 6

• 8

• 2

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

What is the minimum value?

• 64

• 58

• 66

• 60

What value is the lower quartile?

• 66

• 58

• 60

• 64

What is the median?

• 62

• 58

• 66

• 60

Which has a larger IQR?

• Zach

• Steven

• They have the same IQR