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Rifles, Reloading, Optics, Equipment
Reloading
Bullet Sorting Question
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<blockquote data-quote="Bart B" data-source="post: 551158" data-attributes="member: 5302"><p>Regarding all the weight and measurement sorting criteria with bullets and the following:</p><p>How much does it pay off?</p><p></p><p>What's the difference you get between doing all that stuff and not?</p><p></p><p>How do you measure the difference? If it's extreme spread group shooting, you have to shoot at least 15 shots per group for the results to be meaningful. 5 shot groups have only a 55% probability of being meaningful. 10 shot ones raises the probability to 65%. Whereas a 20 shot group's mean radius has about 85%. If you don't get at least 80% confidence in the results, credibility of the results ain't very good.</p></blockquote><p></p>
[QUOTE="Bart B, post: 551158, member: 5302"] Regarding all the weight and measurement sorting criteria with bullets and the following: How much does it pay off? What's the difference you get between doing all that stuff and not? How do you measure the difference? If it's extreme spread group shooting, you have to shoot at least 15 shots per group for the results to be meaningful. 5 shot groups have only a 55% probability of being meaningful. 10 shot ones raises the probability to 65%. Whereas a 20 shot group's mean radius has about 85%. If you don't get at least 80% confidence in the results, credibility of the results ain't very good. [/QUOTE]
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Reloading
Bullet Sorting Question
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