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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hit percentage analysis
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<blockquote data-quote="BryanLitz" data-source="post: 1075895" data-attributes="member: 7848"><p>very good question!</p><p></p><p>The answer is that we divide the user input for 'rifle groups' by 4, and use that as the standard deviation of that parameter. By dividing by 4, we're capturing +/- 2 SD's, which is 95%, or 19/20. Seeing as how most shot groups are under 20 shots, 95% is essentially 100% for 3 or 5 shot groups.</p><p></p><p>This was done to ease misuse of the interface. Shooters don't know the SD of their groups, but they do know CTC. It's been argued that we should handle the other input parameters the same way, which might be better than how we have it now.</p><p></p><p>The tool's gotta work for everyone; Joe average gets the same interface as an engineer which is a challenging part of creating a tool with mass appeal. I think the very nature of this tool sort of limits its user base as you gotta be somewhat of an egg-head to think it's interesting to begin with.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 1075895, member: 7848"] very good question! The answer is that we divide the user input for 'rifle groups' by 4, and use that as the standard deviation of that parameter. By dividing by 4, we're capturing +/- 2 SD's, which is 95%, or 19/20. Seeing as how most shot groups are under 20 shots, 95% is essentially 100% for 3 or 5 shot groups. This was done to ease misuse of the interface. Shooters don't know the SD of their groups, but they do know CTC. It's been argued that we should handle the other input parameters the same way, which might be better than how we have it now. The tool's gotta work for everyone; Joe average gets the same interface as an engineer which is a challenging part of creating a tool with mass appeal. I think the very nature of this tool sort of limits its user base as you gotta be somewhat of an egg-head to think it's interesting to begin with. -Bryan [/QUOTE]
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Hit percentage analysis
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