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MathGroup Archive 2005

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Re: Skewness problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg63019] Re: Skewness problem
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Sun, 11 Dec 2005 04:56:41 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

On 12/10/05 at 6:03 AM, Karl_boehme_9 at msn.com (Klaus G.) wrote:

>please see
>http://www.wiwi.uni-muenster.de/statistik/download/vorlesungen/
>empwifo/kapitel_2.pdf See fig. 5 on page 18: When you compare the
>histogram in the middle and the lower histogram it looks like we
>have the same sample data, arranged in two different ways, from
>left to right and vice versa. The skewnesses are +0.866 and -0.895.
>I am confused.

How do you conclude these are two histograms of the same sample data?

The middle histogram shows over 500 observations with value 0.1. The lower histogram shows no observations with value 0.1. These histograms are clearly for dfferent data sets.
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