Mean and Median

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

• 2
• The minimum
• The maximum
• The number of items

What is the range?

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

What is the mode?

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

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

• True
• False

Find the mean.
90, 100, 95, 85, 60, 80

• 85
• 84
• 86
• 90

Find the median.
5, 15, 10, 20, 15, 10, 15

• 20
• 15
• 10
• 5

What is the Median?
8,13,2,4,48,26 

• 8
• 48
• 10.5
• 9

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

Find the mode.
5, 15, 10, 20, 15, 10, 15

• 10
• 15
• 20
• 5

The number of cookies in a pack can vary . Help Sara find the mode?
15,14,16,12,14,12,14

• 8
• 14
• 3
• 15