STATISTICAL ANALYSIS OF TWO SAMPLE DATA: A MODIFIED APPROACH OF THE MEDIAN TEST

Oti, E. U.^1*; Olusola, M. O. ²; Slink, R. A.³ and Esemokumo, P. A.⁴

^1,3,4Department of Statistics, Federal Polytechnic, Ekowe, Bayelsa State

²Department of Statistics, Nnamdi Azikiwe University, Awka, Anambra State

^1*Corresponding Author: Oti, Eric U. eluchcollections@gmail.com; (+2348037979262)

Abstract

The median test and its modified method is a nonparametric technique developed to handle two samples problem and their data are continuous which consist of two mutually independent random samples. In this paper, we proposed a modified median test for analyzing two sample data which helps in finding out which of the populations might have led to not rejecting the null hypothesis under consideration which is a significant improvement on the median test. It was observed using an illustrative example at 5 percent level of significance that the proposed method performed favorably well in comparison than the median test.

Keywords: Chi-Square, Median Test, Populations, Random Samples, Two Sample Data.

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Oti, E. U.; Olusola, M. O.; Slink, R. A. & Esemokumo, P. A. (2021). Statistical Analysis of Two Sample Data: A Modified Approach of the Median Test. International Journal of Advanced Academic Research, 7(11), pp8-16. Available online at: https://www.ijaar.org/articles/v7n11/ste/ijaares-v7n11-Nov21-p71123.pdf.

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