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by lonelappde
2214 days ago
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That's totally wrong. It's not OK to add ratios. It's OK to add populations. You can't add 1/3 and 1/3 to get 2/6 if the first 1/3 was reduced from 3 of 9 and th second was 1/3. Well, you can, but that only works in the degenerate case where the items you add (actually, average) are equal and there's no point in adding in the first place. |
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