Mean, Median, Mode

The number in the middle AFTER ordering the numbers from least to greatest.

Example: 12, 18, 22, 13, 11, 20, 19

Order from least to greatest: 11, 12, 13, 18, 19, 20, 22

The number in the middle should be 18.

Median- 18

If there are 2 numbers in the middle:
Add the 2 numbers together, then divide by 2.
Example: 15, 16, 18, 9, 18, 17, 19, 19, 4, 36
Order: 4, 9, 15, 16, 17, 18, 18, 19, 19, 36
Middle numbers are 17 and 18.
Add- 17 + 18 = 35
Divide by 2-  35 /2 = 17.5

The number that appears the most.

Order the numbers from greatest to least first. This will help with noticing if a number repeats.

Example: 21, 15, 26, 29, 21, 18

Order: 15, 18, 21, 21, 26, 29

Mode- 21

If there is not a number that does not repeat, then you MUST answer with NO MODE.

There may also be more than one mode.

Example: 1, 6, 9, 15, 17

Mode: No mode

Example: 8, 12, 15, 15, 16, 20, 20

Mode: 15, 20