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That should have been 3.48 & 3.42I especially like his statements about *labeling* what type of errorMichael,
is being reported. A similar problem arises in distinguishing
between the sample standard deviation, and the standard error of the
mean. When a person reports the result of several measurements and
indicates the result in the format 3.45 +- 0.03, what is the meaning
of this number? Is it the standard deviation, or is it the standard
error of the mean, or something else? I think several different
meanings are commonly used, and the only way for the reader to know
is for the writer to specify.
I would always interpet that to mean the measurement is
somewhere between 3.45 & 3.42.