In a normal world, there are people who study deviations beyond the standard. There’s a conventional heuristic (rule of thumb) that our most significant interests fall within three standard deviations from the meanest of any measure.
I journaled here of a corporate presentation I titled ‘To 3σ and Beyond’. That, together with the opening paragraph today, are (bad) statistics-based jokes intended to refer to new learnings that may lurk within less than 6.7% of a range of products or data.
