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July 14th, 2016, 06:34 AM   #1
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Question 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:
  1. Why isn't average mean deviation taught in elementary statistics classes?
  2. Which should I be using for my own personal projects?
  3. What would, for example, a confidence interval look like if I were to use Average Mean Deviation instead of Standard Deviation to obtain its formula?
John Travolski is offline  
July 14th, 2016, 01:21 PM   #2
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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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