3 ms·
This might be right, but n is so small that the results are meaningless. This field is so complex and the variables innumerable that n = 40 per app cannot possi
by Fej 9y ago
This might be right, but n is so small that the results are meaningless. This field is so complex and the variables innumerable that n = 40 per app cannot possibly result in trustworthy findings.
I don't mean to disparage the author, this is really interesting and I'd love to know the answer, as well as many others here I imagine. I'm just not sure how to go about acquiring the data unless you're Google or Apple.
- JorgeGT 9y agoIt would help if instead of just the average the author plotted error bars with a measure of the deviation: standard deviation, coefficient of variation, etc. It may very well happen that the dispersion of the travel times is high enough to render fine differences in mean statistically meaningless.