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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.

4. Which of the following lists all the five numbers needed to make a box plot?

• Mean, Median, Mode, Range, and Total

• Minimum, Quartile 1, Median, Quartile 3, and Maximum

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Maximum, Range, Mean, and Median

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

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9
• 8
• 12
• 18

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

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

• 25%
• 50%
• 75%
• 100%

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%