“…A deviation of 5% is in the middle of the values considered in most of the literature which range from 1% up to 10%; [see Bertsimas and Sim, 2003, 2004, Fischetti and Monaci, 2012, among other papers. Almost the same criterion to generate interval data instances is also used in [Ben-Tal et al, 2004, Klopfenstein and Nace, 2012, Lee et al, 2012 and [Solyali et al, 2012].…”