Basic concepts including target population, sampling frame, sampling unit, sample, response variable, parameters to be estimated, pilot studies. Guidelines for questionnaire construction, simple random sampling with and without replacement, systematic sampling, stratified random sampling, cluster sampling, ratio and regression estimates, sources of error in sample surveys. Quality control, total quality management (TQM), causes of variation in quality, different types of quality control, scope of quality control. Process control; control chart, Shewhart's control chart technique, process capability analysis. Product control, sampling inspection plans, average outgoing quality limit (aoql), operating characteristic (oc) curves. Computer implementations via appropriate software and calculator.
Contact hours:
Four lectures/tutorials and one computer lab per week.Assessment:
Two tests (15%), approximately four assignments (15%), project (10%), final exam (60%).Prerequisite:
1.20812 and permission of the Discipline.Text:
Barnett, V., Sample Survey, Principles and methods, Edward Arnold, London
Cochran, W. G., 1963, Sampling Techniques, John Wiley, New York
Grant, E. L., 1964, Statistical Quality Control, McGraw-Hill, New York
Bajpai, A. C., Calus, I. M. & Fairley, J. A., 1978, Statistical Methods for Engineers and Scientists, John Wiley, New York
Mendenhall, W. & Reinnuth, J. E., 1971, Statistics for Management and Economics, Wadsworth, California