How standard is Standard Deviation? —A century-old debate on Mean Absolute Deviation

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Revisiting a 90-year-old debate: the advantages of the mean deviation
by Stephen Gorard
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Thanks! I was looking at the formula for standard deviation and kept scratching my head "Why do we square this?" All I could find online were the differences between MAD and standard deviation, not Why we should use one over the other.

andrew.schaeffer
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Man! I was beating up my brain about this. Thank you for explaining why we do things this way.

davidross
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Thank you very much! It was critical and precise explanation 👍🙏

behrad