The more general way to phrase what I'm talking about is "Weigh them all together" If the scale has a fudge factor then adding up separate results from it will make it worse But the "2+2=5" idea is absolutely an accurate way of describing it
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Everything about this story is a *demonstration* of what I mean when talking about "fuzzy math" Including the fact that actually punishing companies for "quadrophobia" is likely impossible because the amounts are so small for each instance - fractions of a cent - but add up
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Manipulation of rounding has consequences on Wall Street and elsewhere. Another piece for your reading pleasure. It's quite short. A nice little quote for ya: "Rounding necessarily results in a reduction of precision and the technique used can bias data when applied repeatedly.
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