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It's been quite some time since I took stats, but wouldn't six standard deviations put it in the true outlier category? If I'm even twenty percent correct in what I'm trying to communicate, that's frightening.
Person who does lots of stats checking in. That's a good question. We usually refer to Sigma (1-sigma, 2-sigma... 6-sigma) as the probability that an observation could occur by random chance.
The probability of 6-sigma occurring by random chance is about 1:1-billion.
So you're definitely right to characterize it as an outlier. In terms of sea-ice this means that based on our observations of ice extent recorded going back to 1989 (based on the image) it is extremely unlikely we would expect to observe a sea ice extent so far below the norm suggesting something else (climate change) explains the deviation.
Been a while since I studied standard deviations but I remember 2 being already an outlier, 6 is a lot of deviation
I never took statistics, but 6 is at least triple the deviations of 2, and probably even more for math reasons I neither will nor can get into.
I did take statistics and forgot most of it, but I think I'm totally fine eating 2 hotdogs but the closer I get to 6 hotdogs, the increasingly more difficult it is.
It makes you wonder how people eat hundreds of those in competitions
Correct, outlier until it's repeated next year and the following. Then we can statistically say we're fucked.