Math
posted by david .
find mean, median and is mean or median more useful representation 25,29,30,30,30,31,33,34,40,41,46,63 mean 36 median 32 more useful 32

I didn't check your calculation of the mean, but the median is correct and more useful, because the mean is more influenced by deviant scores (63).
I hope this helps. Thanks for asking.