Statistics Review

What is the range?

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

What is the mode?

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

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

• 13
• 12
• 11
• 10

find the median of
20 30 40 50 60

• 50
• 40
• 1
• 5

To find the mean of a set of numbers, add up all the items and divide by...

• 2
• The least number
• The maximum or biggest number
• The number of items in the data set

What is the mean?

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

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:9

• median:6  mode:3  range:7
• median:7  mode:3 range:8

A data set can have more than one mode

• True
• False

12,14,11,12,18,15,9, 32
What is the outlier?

• 12
• 9
• 32
• 18