Hand Tools

Subject:
Re: One thing to remember...
Response To:
One thing to remember... ()

Joe Shelton
Empirically, 99.7% will be within 3 SD of the mean.

I think your guess about 1 RC is safe.

Finally, I've never seen any instance, prior to this tabular extract, of a report showing a mean value of std dev, and I think it is not a meaningful statistic.

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