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Re: [Phys-l] Another uncertainties question...



>(Sorry for a cross-post...)

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I can not understand why people apologize for "cross" posting.
Obviously it's necessary if the poster thinks it's of interest to
multiple lists' members. It would make sense to apologize if there were
100% overlap of members, but then why have two lists?

bc cross posts w/ out guilt, and has guilt if he forgets to cut
unnecessary text, and / or doesn't quote the often necessary on top.

p.s. Jason; I pray you don't think I'm "picking on you" now that I've
finally written my mind. BTW, I think it's a "great" question.

Jason Alferness wrote:

(Sorry for a cross-post...)

So -- awhile ago, I ran into another problem regarding uncertainties.

For some groundwater contamination, a friend had to compute a weighted average of some values over times and locations. Some values were given as standard (value � uncertainty) or equivalent, which is of course

cut