Why Is the Sum of the Deviation About the Mean

question 33

Short Answer

Why is the sum of the deviation about the mean always 0?

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Definitions:

Unrehearsed Memories

Memories that have not been intentionally recalled or practiced, often less vivid or reliable than rehearsed memories.

Acronym

a word formed from the initial letters of other words and pronounced as a word, such as "NASA" for National Aeronautics and Space Administration.

Mnemonic

A technique or strategy used to improve memory, often by making information easier to remember.

Roy G.Biv

An acronym for the sequence of hues in a rainbow or the visible spectrum: Red, Orange, Yellow, Green, Blue, Indigo, Violet.