## An old solution [Bioanalytics]

Hi ElMaestro,

» […] The smartest and most empirical solution to a very, very small (and mainly theoretical?) problem.

Theoretical? Yes. Really relevant? Very, very rarely. Changing the weighting for all subjects to 1/y2 (we got two deficiency letters) altered the 90% CI in the second decimal place.

» Let us apply weights 1/C^z in such a fashion that ()

Congratulations for an obvious solution (aka, re-inventing the wheel). See what Ohlbe wrote here and there.

PS: Typo? Didn’t you want Ratio[1]=0.05303?

Dif-tor heh smusma 🖖
Helmut Schütz

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