st: Box plots of z-scores

I prepared a box plot (including Nick Cox's hplot) of the z-scores of six spatial parameters (length, width etc.)to illustrate the relative variations between the parameters.

The medians do not align in the graph. Should they not align?

Rod Hunter
Hunarch Consulting

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Follow-Ups:
- st: RE: Box plots of z-scores
  - From: "Nick Cox" <[email protected]>

References:
- RE: st: RE: Percentiles: Identify of smallest observation closet to percentile value
  - From: "Nick Cox" <[email protected]>