Department of Statistics, Operations, and Management Science, The University of Tennessee, 331 Stokely Management Center, Knoxville, TN 37996, USA. rzaretzk@utk.edu|Department of Statistics, Operations, and Management Science, The University of Tennessee, 331 Stokely Management Center, Knoxville, TN 37996, USA. rzaretzk@utk.edu|Department of Statistics, Operations, and Management Science, The University of Tennessee, 331 Stokely Management Center, Knoxville, TN 37996, USA. rzaretzk@utk.edu|Department of Statistics, Operations, and Management Science, The University of Tennessee, 331 Stokely Management Center, Knoxville, TN 37996, USA. rzaretzk@utk.edu