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Hunting
Extreme Long Range Hunting & Shooting (ELR)
1000 yard problems.
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<blockquote data-quote="Eaglet" data-source="post: 656318" data-attributes="member: 3756"><p>Lancet,</p><p></p><p><strong>ES</strong> stands for Extreme Spread (speaking of the velocities)</p><p></p><p>Example:</p><p></p><p>2995 fps</p><p>3005 fps</p><p>2994 fps</p><p>3002 fps</p><p>3003 fps</p><p></p><p>The difference between the highest number and the lowest number is 9 fps</p><p>so your <strong>ES = 9 fps</strong></p><p></p><p>The <strong>SD</strong> is a bit more complicated but it stands for "Standard Deviation".</p><p></p><p>In statistics and probability theory, <strong>standard deviation</strong> shows how much variation or "dispersion" exists from the <strong>average</strong>.</p><p></p><p>So in our example above, the <strong>average is 3000 fps, </strong>(The sum of all five values divided by 5)</p><p></p><p>Average = 3000 fps</p><p>ES = 9 fps</p><p>SD = 5 fps</p><p></p><p>I hope that helps.</p></blockquote><p></p>
[QUOTE="Eaglet, post: 656318, member: 3756"] Lancet, [B]ES[/B] stands for Extreme Spread (speaking of the velocities) Example: 2995 fps 3005 fps 2994 fps 3002 fps 3003 fps The difference between the highest number and the lowest number is 9 fps so your [B]ES = 9 fps[/B] The [B]SD[/B] is a bit more complicated but it stands for "Standard Deviation". In statistics and probability theory, [B]standard deviation[/B] shows how much variation or "dispersion" exists from the [B]average[/B]. So in our example above, the [B]average is 3000 fps, [/B](The sum of all five values divided by 5) Average = 3000 fps ES = 9 fps SD = 5 fps I hope that helps. [/QUOTE]
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Extreme Long Range Hunting & Shooting (ELR)
1000 yard problems.
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