standard deviation
A quick way to see how much a set of datapoints deviates from their own average, where the points that lie farthest away, have the most weight, because the differences are squared.
The Urban Dictionary Mug

Loiks great
I had it drop-shipped and the recipient was very pleased. Thank you for the quick service and handling.
The coffee mug looks great and always draws comments from those seeing the first time.
perfect for when im expressing myself <3
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