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July 14th, 2016, 06:34 AM  #1 
Senior Member Joined: Oct 2015 From: Antarctica Posts: 128 Thanks: 0  Average Mean Deviation VS. Standard Deviation
Average Mean Deviation, to me, has a much more intuitive meaning than Standard Deviation. Truthfully, I'm not even sure why we use Standard Deviation. I suppose that's where my statistics class failed me. Anyway, I have a few questions:

July 14th, 2016, 01:21 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,822 Thanks: 723 
Standard deviation gives more weight to larger errors. When you are updating data and getting deviations along the way, average mean deviation is more cumbersome than standard deviation. 

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average, deviation, standard 
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