ii ACKNOWLEDGEMENTS To try and thank everyone who contributed to the completion of my thesis would be impossible. Many people affected my thinking and gave me ideas for this project. In particular I express my sincere thanks to my advisor Dr. Brian Wolshon, who has contributed immeasurably, with his guidance, encouragement, and support. I am also grateful to Dr. Wolshon for funding me through my study for the Master’s degree. I would also like to express my gratitude to Dr. Chester G. Wilmot and Dr. Sherif Ishak. They were always willing and able to provide valuable advice and suggestions in helping me complete my thesis. Special thanks go to Dr. Lynn R. LaMotte of Department of Experimental Statistics, Dr. Jerry L. Trahan of Department of ...