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>I'm interested. What is the mean time and the standard deviation
>using this data set? Also, I suspect that you should use the
>standard deviation of the mean as your uncertainty.
I don't think the standard deviation of the mean (aka "standard error")
is what is needed here. The st. dev. of the mean tells you how well you
know the mean value, but that isn't what is important. You want the
effect of the variation of the individual trials, which is related to
the plain old standard deviation.
how close the center of the trials would be to the "true" value.