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Economist (macro). Coder (Python). Optimist (mostly).

May 27, 2020 9:16 PM
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For anyone who paid any attention to the claim that the false negative rate on PCR tests exceeds 67% — more evidence that the claim is blatantly false:


  • 76 residents of nursing home tested
  • 48/76 test positive
  • 27/48 of positives wo symptoms

If false neg rate = 67% for people who are infected wo symptoms, the 27 that tests found should be matched by 54 that they missed.

But there are only 28 = 76-48 negatives in sample.