12.2 Review

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

What is the median?

5, 22, 81, 16, 15, 22

• 22

• 76

• 19

• 1

The scores awarded to 25 students for an assignment were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

• 6

• 7

• 8

• 9

Find the Mean, or Average of these numbers

7, 5, 10, 2

(add them up and divide by how many there are)

• 6

• 4

• 8

• 5

Find the Mean, or Average of these numbers

13, 15, 20

(add them up and divide by how many there are)

• 14

• 15

• 16

• 18

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

• True
• False

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

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean
• Median
• Mode
• Range