On certain moment ratios of a class of discrete distributions

Abstract

Two moment ratios are proposed for their uses In discriminating member among a family of dlscrete distributions and In approximating a member by another one Approximation of the Generalized Poisson( Borel–Tanner) and Neyman Type A distributions by the negatlve blnomial are also given.

Keywords:

• Indices of the shape of a distribution
• Discrimination among certain distributions
• Moment ratios
• Approximation of a distribution

†Present Address: Department of Mathematics, Otago University, Dunedin, New Zealand.

†Present Address: Department of Mathematics, Otago University, Dunedin, New Zealand.

Notes

†Present Address: Department of Mathematics, Otago University, Dunedin, New Zealand.