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

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

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

In order to find the median, the data must be sorted from least to greatest first.

• True
• False