[Foundation-l] Is random article truly random
Castelo
michelcastelobranco at gmail.com
Fri Oct 21 06:30:05 UTC 2011
On 21-10-2011 04:11, Andre Engels wrote:
> On Fri, Oct 21, 2011 at 7:26 AM, Castelo<michelcastelobranco em gmail.com>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)
>>
> Andreas wrote in full:
>
>> 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://en.wikipedia.org/wiki/File:Comparison_mean_median_mode.svg>-- the
>> median is always smaller than the average.
> The four distributions that you give definitely are not all right-skewed.
>
Sorry, i took only the final sentence. Is ok that "(in this kind of
distribution) the median is always smaller than the average".
You're both right.
P.S. I gave only three distributions.
Castelo
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