Editorial
J.Sicilia

• A note about the chaotic behavoir of the Wald Interval for a binomial proportion. F.J. Ortega, J. Basulto, J. A. Camúñez
• Multidimensional assignment: applications and some thoughts. F. Perea
• Do we see the effects of oil variations in official statistics price data? C. Castro Rozo, P. Poncela, E. Senra
• Find out the twelve differences. M. E. García-Ligero
• A New Interpretation of Cardano’s De Ludo Aleae.Successes and failures. M. S. de Mora
• DivulgaMAT, Virtual Centre for the Popularization of Mathematics. R. Ibáñez Torres
• First World Statistics Day and the INE contribution to the achievements of official statistics in Spain. J. García Villar, M. A. de Castro
• David H. Blackwell (1919-2010). Obituary. M.A. Gómez