Yes, I’ve seen it on websites (eg GMAC) but the operators available are trivial (e.g. mean, median)… system will not process the request if the sample is too sm

Yes, I’ve seen it on websites (eg GMAC) but the operators available are trivial (e.g. mean, median)… system will not process the request if the sample is too small (I think the minimum sample size is actually a function of how much you pay)