s is the standard deviation of a sample.
It is difficult to know what you are asking.
I will note that there is a statistical programming language called S-Plus, see "Modern Applied Statistics with S-Plus, by Venables and Ripley.
I also note that "s" is also used commonly in statistics as standard deviation of a sample.
That's about all that comes to mind.
the mean is important in statistics because you will find out your average and can compare that mean to other things..
the mean is affected by outliers
Probability/ Statistics
Usually s means standard deviation of a sample.
MDS
It is the estimate for s, the sample standard deviation.
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In statistics, this is the symbol for the "Variance"
The M, S, and G in soccer statistics for team players mean missed chances, shots, and goals respectively.
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Mean is the average.