I just found this rare boxplot in the attachment. The help says that for each boxplot both whiskers should be of size 1.5 times the interquartile  range, but I can see clearly that some of the lower whiskers are bigger than that ¿is it possible or is this a bug?

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Ignacio Díaz-Emparanza
Vicedecano de Ordenación Académica y Postgrado
Facultad de Economía y Empresa, UPV/EHU
c/ Lehendakari Aguirre, 83
48015 Bilbao
Tel(Decanato):   946013602
Tel(Despacho):   946013732