Mean, Median, Mode & Range

What is the mean?

• the average

• the number in the middle

• biggest-smallest

• the number that appears most often

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

• 2.
• The smallest number
• The largest number
• The number of items in the set.

What is the median?

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

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

• True
• False

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

What is the range?

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

Mean:
67, 74, 95, 98, 98, 99, 102

• 90.4
• 633
• 98
• 92.3

Median:
67, 74, 95, 98, 98, 99, 102

• 102
• 67
• 98
• 90.4

Mode:

67, 74, 95, 98, 98, 99, 102

• 90.4

• 98

• 92

• 35

Range:
67, 74, 95, 98, 98, 99, 102

• 102
• 67
• 98
• 35