Box Plots

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

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 median?

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

What is the term for the median of the lower half of the data?

• Upper Quartile

• Lower Quartile

• Median

• Minimum

What is the term for the median of the upper half of the data?

• Upper Quartile
• Lower Quartile
• Median
• Minimum

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

• 4

• 6

• 8

• 2

What is the median of the data?

• 200
• 100
• 90
• 140

Students recorded the amount of minutes they spend watching TV. Using the box plot shown above, what is the first quartile?

• 30

• 24

• 60

• 78