Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Many elementary teachers don’t understand math, and it makes them anxious. Parent comment
Standard deviation is mathematically easier to work with though and has nice properties e.g. you can compute the standard deviation of combining a bunch of independent things by combining their individual standard deviations.
There are no comments on this comment yet.
Standard deviation is mathematically easier to work with though and has nice properties e.g. you can compute the standard deviation of combining a bunch of independent things by combining their individual standard deviations.