error(?) in trimmed mean?

[Olaf Nöhring]

Hi

maybe I found an error...:
Please excuse errors in the labels, I am using a german version  of SPSS  
and PSPP. I attached an image of what I mean and the .sav file.


How to reproduce the "error":

        load mm.sav in spss (v21) and latest pspp

        choose cases -> by time / case
                choose case 1 to 100

        Analyse -> Descriptive Statistics -> Eplorative Data analysis
                Select "Nettomiete in EUR [nm]" as Dependent Variable
		From the "Statistics" Button chose "Descriptive" (with confidence of 95%  
in SPSS)
		(In SPSS I chose only in the OUTPUT area at the bottom "Statistics" ->  
no graphics)

	Please note in the output of both (see attached screenshot) that the  
trimmed mean is different!


I do not understand why. Is this an error?


Olaf

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spss_vs_pspp2.jpg
Description: JPEG image

mm.sav
Description: Binary data