Quote:
Originally Posted by Lancet
What does ES and SD stand for? That's where you lose me.
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Lancet,
ES stands for Extreme Spread (speaking of the velocities)
Example:
2995 fps
3005 fps
2994 fps
3002 fps
3003 fps
The difference between the highest number and the lowest number is 9 fps
so your
ES = 9 fps
The
SD is a bit more complicated but it stands for "Standard Deviation".
In statistics and probability theory,
standard deviation shows how much variation or "dispersion" exists from the
average.
So in our example above, the
average is 3000 fps, (The sum of all five values divided by 5)
Average = 3000 fps
ES = 9 fps
SD = 5 fps
I hope that helps.
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