Lean Six Sigma Manufacturing and Performance of Brewing Firms in South-South, Nigeria

Abstract

The broad objective of this paper is to determine the type of relationship that exists between Six Sigma Manufacturing and Performance of brewing firms in South-South, Nigeria. Specifically, this study seeks to ascertain the type of relationship between quality input and profitability of brewing firms in South-South, Nigeria. The study was anchored on The Theory of Constraint (TOC) propounded by Goldraft (1984). Expost-facto research design was adopted for the study. Secondary data extracted from the annual financial reports of the three studied brewing firms (Guinness Nigeria Plc, Champion Brewery and International Brewery Plc.) were used for the study with regression analysis applied on the collected data. Results obtained from the test of the hypothesis revealed that a significant positive relationship exists between quality input and profitability since (F-statistic = 57.11217; R-squared = 0.815; P