About the Authors

O. E. Okereke

Department of Statistics, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria

I. S. Iwueze

Department of Statistics, Federal University of Technology, Owerri, Imo State, Nigeria

C. O. Omekara

Department of Statistics, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria

Corresponding Author

Email: emmastat5000@yahoo.co.uk