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Gold/Mining/Energy : Golden Eagle Int. (MYNG)
MYNG 0.0700+5.7%Feb 21 4:00 PM EST

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To: George Castilarin who wrote (11747)7/31/1998 9:56:00 PM
From: E. Charters  Read Replies (1) of 34075
 
Well after 2900 samples even an artifact variance of 50% will even out. I ran into variances of 100% in one hard rock fire assay lab and the averages were still the same as my assays where natural variance appeared to be less than 35%. Artifact on repeat pulps was less than 7% and on rejects of course artifact varied up to 25%.

If we are talking accuracy then losses are immaterial unless there is a variance in the loss. Precision would be low but the variance may take care of that. If you have high losses go for low low accuracy and the real result will come out in the average. Strange but true. If I had an approximate loss rate of 50% but I could influence the nugget effect to give me a 100% artifact variance the average would not see my loss. Dicey.

EC<:-}
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