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<p>[QUOTE=&quot;Burton Strauss III, post: 2434111, member: 59677&quot;]With both scientific and engineering training, what I&#039;d really like to see is the error values or confidence intervals...</p><p><br /></p><p>Think how you would value two coins:</p><p><br /></p><p>MS65 +/- 1</p><p>vs</p><p>MS65 +/- 2</p><p><br /></p><p>Standard usage says the grade of the first coin would be between 64 and 66 95% of the time. The second coin would be between 63 and 67 95% of the time.</p><p><br /></p><p>Do you feel lucky?[/QUOTE]</p><p><br /></p>

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