“…The discordancy tests (single-as well as multipleoutlier types) originally proposed by both Dixon (1951) and Grubbs (1950Grubbs ( , 1969 have been very popular and are still in wide use in different fields (e.g., Barnett and Lewis 1994, Li et al 2003, Serbst et al 2003, Farre et al 2006, Gabrovská et al 2006, Sang et al 2006, Verma and Quiroz-Ruiz 2006a, b, 2008, Hayes et al 2007. Several other discordancy tests are also available for this purpose, most notable among which are the skewness and kurtosis tests (Barnett and Lewis 1994, Verma 1997, Velasco and Verma 1998, Verma and Quiroz-Ruiz 2006a, b, 2008.…”