Testing for Randomness in a System

Abstract

This paper examines the mode of child delivery (Cesarean-section and normal i.e vaginal delivery) in Divine Hospital and Maternity Awka ( the test group) and Nnamdi Azikiwe University Teaching Hospital Nnewi ( the control group) using the runs test. A sample of one year record (Jan 2015 – Dec 2015) of delivery arranged in months were used for the study from both hospitals. The findings revealed that, the average number of birth per month for both hospitals were 36 and 38, the sex ratio at birth (SRB) per month were 113.34 and 97.17 male and female respectively. Each had an equal chance of occurrence. It also revealed that a total of 68.7% mode of delivery were normal for Divine Hospital DHM and 56.9% for NAUTH, Nnewi ,while that of Caesarian-section were 31.3% and 43.1% for both hospital. The sequence at birth (Caesarean-section and normal) for both hospital were  non random. The median test was employed to test if there were significant difference in the birth distribution of both hospital and it was discovered that there were no significant difference.