| Affiliation: | The authors are a post-graduate student in Mathematical Statistics and Associate Professor of Mathematical Statistics respectively at the University of Cape Town. The former completed this work while holding an A.E. &C.I. Research Fellowship and wishes to express his thanks to A.E. &C.I. The authors wish to express their thanks to Professor C. G. Troskie of the Department of Mathematical Statistics for providing the data used in this study. The computations were carried out using the Univac 1106 at the Computer Centre of the University of Cape Town. |
