3 ms·
so they're 95% sure.. how do they even come up with a figure like that? they didn't bother saying. might be equivalent to 'give or take a few trillion tonnes'
by 867-5309 5y ago
so they're 95% sure.. how do they even come up with a figure like that? they didn't bother saying. might be equivalent to 'give or take a few trillion tonnes'
- Cthulhu_ 5y agohttps://www.zmescience.com/science/what-5-sigma-means-0423423/; https://www.zmescience.com/science/what-5-sigma-means-042342... 95% means 2-sigma, when it comes things like the Higgs boson, they announced the results with 5-sigma certainty, which is a very good indication of statistical significance and confidence.
- wyager 5y agoIt’s more that p-value is a bad indication of anything (since it’s vulnerable to p-hacking and all kinds of other issues), so physics just picks a really extreme publication threshold to avoid getting inundated with spurious developments.
- mhh__ 5y agoIt will say in the paper how they went about the error analysis. These estimates are however, subjective. There is a good paper on this called "Bayesian methods in particle physics" (something like that).