Open AccessEvaluating Contractors’ Safety Record and Its Influence on Performance of Road Infrastructural Projects
Author(s) -
James Mushori,
Charles M. Rambo,
Charles Misiko Wafula,
Johnson Matu
Publication year - 2021
Publication title -
world journal of engineering and technology
Language(s) - English
Resource type - Journals
eISSN - 2331-4222
pISSN - 2331-4249
DOI - 10.4236/wjet.2021.92015
Subject(s) - stratified sampling , simple random sample , descriptive statistics , null hypothesis , sample (material) , operations management , business , population , simple linear regression , transport engineering , regression analysis , sample size determination , engineering , environmental health , statistics , medicine , mathematics , chemistry , chromatography