box plots

What is the interquartile range?

• 4

• 6

• 2

• 8

What value is the lower quartile?

• 66

• 58

• 60

• 64

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.

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

What is the minimum value?

• 64

• 58

• 66

• 60

What is the maximum value?

• 58

• 66

• 64

• 60

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58