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Rifles, Reloading, Optics, Equipment
Reloading
Standard Deviation
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<blockquote data-quote="Tidus56" data-source="post: 1490095" data-attributes="member: 104495"><p>I recently starting shooting 20 shot strings to gather info on my loads. I understand all the data but I am not positive what is considered good for SD. I know from stats classes the smaller the SD the better but what is considered good for a 20 shot spread? With FF 243 AI brass a 20 shot string fired over 5 minutes I had an SD of 11.5. Is that decent for FF brass? What would be considered a great SD for 20 shots after FF, but also realistic?</p></blockquote><p></p>
[QUOTE="Tidus56, post: 1490095, member: 104495"] I recently starting shooting 20 shot strings to gather info on my loads. I understand all the data but I am not positive what is considered good for SD. I know from stats classes the smaller the SD the better but what is considered good for a 20 shot spread? With FF 243 AI brass a 20 shot string fired over 5 minutes I had an SD of 11.5. Is that decent for FF brass? What would be considered a great SD for 20 shots after FF, but also realistic? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Standard Deviation
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