Thread: Let's talk about velocity Extreme Spread (ES)

Originally Posted by Magnetite

I somewhat agree. 10 shot samples aren't great, however large enough changes can be shown with smaller sample sizes, and the test takes this into account (although won't be as reliable).

An example where it could be useful: you're trying to get to an SD of 10, and currently it's 15. You make a change and reduce it to 12. Is that 12 a high sample with a true SD of 10, or a low sample and the true SD is still 15? You can then perform the test and see if the change is significant, or you need more samples. However you have to make a decision, what cost do you want to pay to know (be that barrel life, or money).

I think a lot of reloading is reading tea leaves and statistical tests take that out of the process.

My old saying with reloading is, The more you know the less you know!

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