terminological obscurity

[Mel Wilson]

In article <83qva01mh68c319d23e9o4ldtl62qm3188 at 4ax.com>,
Arthur <ajsiegel at optonline.com> wrote:
>On Sun, 23 May 2004 00:57:53 +0200, "Martin v. Löwis"
><martin at v.loewis.de> wrote:
>
>>
>>The fact that I use cm to measure X, Y, and Z still doesn't make
>>them homogenous.
>
>A question on some IQ test:
>
>X,Y & Z rerpesent the 3d coordinates of a point in some coordinate
>system.
>
>X=1
>Y=1
>Z=1
>
>The ordred seqence (1,1,1) of the  X,Y & Z coordinates represents
>
>a) heterogenous data
>b) homogenous data
>c) N/A
>
>has a right answer.
>
>A.
>
>I disagree.

   Depends on the coordinate system.  If the bases are east,
north and up, then you're right to disagree.  If they're
east, up and future, then you're also right although the
argument is subtle.  If they're height, weight and Nielsen
Rating, then A may be the best answer.

        Regards.        Mel.