**Mladen Pavicic
**

*
Department of Mathematics, University of Zagreb,
GF, Kaciceva 26, POB-217, HR-10001 Zagreb, Croatia;
mpavicic@faust.irb.hr; http://m3k.grad.hr/pavicic
*

*Laboratoire de Mechanique Quantique, University of Reims,
F-51062 Reims Cedex, France
*

** Abstract. **
A discussion is given of a recently formulated function which
exhibits a jump for the end points of a closed interval in case of
the individual interpretation of quantum measurements of the first kind
and stays continuous on the whole interval for their statistical
interpretation.

**PACS numbers: **03.65.Bz

**Keywords: **quantum measurements, quantum statistics