T. T. Ojewale

Empirical Investigations of Direction of Causality among Exchange Rates of Naira to Some Foreign Currencies

T. T. Ojewale & M. K. Garba · Asian Journal of Probability and Statistics · 2022

The aim of this paper is to examine the direction of causality among some exchange rate of Nigeria Naira to US Dollar, Pounds Sterling and Euro. It made use of a time series data from the year 2005 to 2014. Toda and Yamamoto [1] procedure was used in analyzing the data. Augmented...

Open access Research Article 10.9734/ajpas/2022/v18i130435

Calibration Approach Product Type Estimators of Population Mean in Stratified Sampling with Single Constraint: A Comparison of Three Distance Measures

Enang, Ekaette Inyang, Ojua, Doris Nkan & T. T. Ojewale · Asian Journal of Probability and Statistics · 2021

This study employed the method of calibration on product type estimator to propose calibration product type estimators using three distance measures namely; chi-square distance measure, the minimum entropy distance measure and the modified chi-square distance measure for single c...

Open access Research Article 10.9734/ajpas/2021/v15i230350