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Hornady at it again
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<blockquote data-quote="biednick" data-source="post: 3010371" data-attributes="member: 123604"><p>The argument you usually get is that it has been proven they work because people see a change over 5 rounds when they test them. In reality it's just noise that makes it look like the change to the tiner changed the group size. Ask a benchrest shooter why they don't use 25 round groups since a typical benchrest card is 25 rounds and you'll get all kinds of mental gymnastics about why statistics don't apply to shooting. </p><p></p><p>I'll admit I fell for it and thought I was avoiding the pitfall of bad statistics by using 10 round groups for testing, then I learned that's not enough rounds on target to overcome the noise. I redid my testing with 25 round groups and wasted a lot of ammo trying to find a repeatable change.</p></blockquote><p></p>
[QUOTE="biednick, post: 3010371, member: 123604"] The argument you usually get is that it has been proven they work because people see a change over 5 rounds when they test them. In reality it's just noise that makes it look like the change to the tiner changed the group size. Ask a benchrest shooter why they don't use 25 round groups since a typical benchrest card is 25 rounds and you'll get all kinds of mental gymnastics about why statistics don't apply to shooting. I'll admit I fell for it and thought I was avoiding the pitfall of bad statistics by using 10 round groups for testing, then I learned that's not enough rounds on target to overcome the noise. I redid my testing with 25 round groups and wasted a lot of ammo trying to find a repeatable change. [/QUOTE]
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