Re: [Phys-L] uncertainty on the uncertainty

[brian whatcott <betwys1@sbcglobal.net>]

On 07/06/2017 04:02 AM, Peter Schoch wrote:
> 3.  I do expect them to then compare their average ± the standard error
> to an accepted value (if possible) or to analyze the results; i.e., what if
> the error is artificially low?  What could have caused that?  Is the sample
> size unreasonably small?
>         ^^^^^^^^^^^^^^^^^^^
Not sure where I got this from, many years ago; possibly a chemistry 
tutor:   when you have no idea how many samples would constitute a 
reasonable number, take at least 18 samples   :-)

Brian W