Editorial
J.M. Angulo

• A simple proof of Fisher's Theorem and of the distribution of the sample variance statistic. L.M. Sánchez, L. González
• Location with preferentes. S. García
• Employement and unployement data: Differences between EPA and other official Statistics. C.I. Gónzalez, E. Senra
  
• The income distribution. A theory of Fréchet. M. Barbut
• Celebrating the 25th Anniversary of BEIO.  M.C. Pardo