Application of basic statistics for improving quality control, operating efficiency and analysis sensitivity1
Jeremy Wyndham Public Attitude Surveys andRichard Goosey Research International UK
INTRODUCTION
Quantitative market research is based upon sound statistical principles. The use and design of samples, the amalgamation of data, and the analysis and interpretation of information all use basic statistics ranging from sampling theory through to hypothesis testing, modelling and multivariate techniques.
It could be argued that, due to commercial pressure, in recent years less attention has been paid to basic principles, for example the replacement of random sampling...