Math Mnemonic!

Do you ever use memory tricks (mnemonics) to help you remember tough terms in various subjects?  I just came across this one and thought it was fantastic.  Imagine it in the rhythm and cadence of the nursery rhyme below:

Hey diddle, diddle

The cat and the fiddle

The cow jumped over the moon

The little dog laughed to see such sport

And the dish ran away with the spoon


Math Mnemonic:

Hey diddle diddle

The median's the middle

You add and divide for the mean

The mode is the one that appears the most

And the range is the difference in between