S. K. KATTI AND B. A. KHAN

A Proof of a Characterization of Normality

 1

R. P. MENTZ

A Note on the Use of the Sample Autocorrelogram

7

J. A. ACHCAR AND H. BOLFARINE

Predictive Densities in Survival Analysis with a Generalized Gamma Regression Model

23

P. B. NAGARSENKER AND B. N. NAGARSENKER

Non-null Distribution of a Statistic for Testing the Equality of Scale Parameters of Exponential Distributions

33

D. R. SHIER AND G. A. VIGNAUX

Adaptive Methods for Graphing Functions

41

D. R. BRILLINGER

An Elementary Trend Analysis of Rio Negro Levels at Manaus, 1903-1985

63