Re: Skewness problem

*To*: mathgroup at smc.vnet.net*Subject*: [mg62979] Re: [mg62944] Skewness problem*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sat, 10 Dec 2005 06:02:49 -0500 (EST)*Reply-to*: hanlonr at cox.net*Sender*: owner-wri-mathgroup at wolfram.com

The distribution and statistics of the data is independent of the order of the data. Needs["Statistics`DescriptiveStatistics`"]; data={0,7,7,6,6,6,5,5,4,1}; Skewness[data]==Mean[(data-Mean[data])^3]/ StandardDeviationMLE[data]^3 True Bob Hanlon > > From: "Klaus G." <Karl_boehme_9 at msn.com> To: mathgroup at smc.vnet.net > Date: 2005/12/09 Fri AM 05:10:25 EST > Subject: [mg62979] [mg62944] Skewness problem > > Skewness[ {0, 7, 7, 6, 6, 6, 5, 5, 4, 1}] results in -1.04137. > > Reversing the data to {1,4,5...} I expected a different skewness, > because the "tails" are reversed. > But again I get -1.04137. > Is there an error in reasoning? > > Klaus G. > >