Friday, Sept. 14, 2007 2:10pm, 100 Neville Hall Dr. Sat Gupta, Department of Mathematics and Statistics, University of North Carolina at Greensboro Estimation of the Mean and Variance of a Population under Simple Random Sampling Friday, Oct. 19, 2007 (Math/Physics Colloquium) 3:10pm, 140 Bennett Hall A. Arneodo, Laboratoire Joliot Curie and Laboratoire de Physique, Ecole Normale Supérieure