I was watching this compilated YouTube video about work ethic, that some scientists (including Feynman) were speaking. There was this guy saying something along, “I think to have great outcomes, you actually do need to work at like three standard deviation above the mean ”
I only remember basic statistics and simple calculations of mean and standard deviation.
Mean is an average of the dataset.
Standard Deviation is the representation of how close or far are the Datasets from mean.
But I still cannot figure out what he meant.
Note: excuse my English.
In: Mathematics
Have you heard of the Bell Curve or the [Normal Distribution](https://en.wikipedia.org/wiki/Normal_distribution#Standard_deviation_and_coverage)?
3 Standard deviations above the mean, means in the top 0.27% of your sample.
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