On Fri, Oct 21, 2011 at 7:26 AM, Castelo <michelcastelobranco(a)gmail.com>wrote;wrote:
On 21-10-2011 03:06, Andreas K. wrote:
the
median is always smaller than the average.
There's no such relation between
median and average:
{20, 21, 24, 26, 28}: Median (24) > Average (23.8)
{20, 22, 24, 26, 28}: Median (24) = Average (24)
{20, 23, 24, 26, 28}: Median (24) < Average (24.2)
For the relative position of mode, median and average
in a right-skewed
distribution see
http://en.wikipedia.org/wiki/File:Comparison_mean_median_mode.svg<http:/…
the
median is always smaller than the average.
The four distributions that you give definitely are not all right-skewed.
--
André Engels, andreengels(a)gmail.com