Mean, Median, Mode, Range, IQR - Box Plots

What is the interquartile range?

• 4
• 6
• 2
• 8

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

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.

Find the median of these numbers:

2, 5, 4, 3, 7, 5, 5,

• 4

• 5

• 3

• 6

In order to find the median, the very first thing you must do is to..

• find the difference between biggest and the smallest number.

• find the middle number

• list the numbers in order

• find the most repeated number

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

• 25%
• 50%
• 75%
• 100%

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

What is the median of the data?

• 200
• 100
• 90
• 140

What is the minimum value?

• 64
• 58
• 66
• 60

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

• 20
• 25
• 5
• 10