Data and Statistics

Why do we use double box and dot plots?

• To make people confused

• to make data seem misleading

• to save space on paper

• to compare populations

Look at these numbers - 11, 11, 7, 18, 8. What is the correct way to put them in order so you can find the median?

• 18, 11, 11, 8, 7

• 11, 7, 8, 18, 11

• 8, 7, 11, 11, 18

• 7, 8, 11, 11, 18

Look at these numbers - 12, 14, 17, 8, 14. What is the correct way to put them in order so that you can find the median?

• 17, 14, 14, 8, 12

• 17, 14, 14, 12, 8

• 8, 12, 14, 14, 17

• 14, 8, 12, 17, 14

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the MODE.

12,10,10,10,13,12,11,13,10

• 10

• 12

• 10 and 12

• No Mode

Given the data: 136, 150, 119, 150, 125, 140.
Find the upper quartile (Q3). (Hint... put the numbers in order and find the median to help you find Q3)

•  125

• 150

• 139.5

• 143

3, 3, 4, 6, 9 - What is the mode?

• 3

• 4

• 6

• 9

The median is the __________________ number (after you put them in order).

• first

• middle

• last

• one you see most

The mode is the number ________________________.

• you see most

• you see least

• you don't see

• you see first

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

What is the mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.