Mnemonic Device
- Ms. Dee is so MEAN; she makes me ADD then DIVIDE.
Explanation
to remember how to calculate the average (mean).
- MEAN - ADD all the numbers then DIVIDE by the total number of items
Example
- 4 + 8 + 12 = 24
- 3 numbers (factors)
- 24/3 = 8
- 8 is the average (mean)