3 Hours/Week, 3 Credits

Industrial statistics: assignable and non-assignable causes of variations, problems and principle of statistical quality control, control charts for variables, control charts for attributes, special control charts. Acceptance sampling procedure: introduction, acceptance sampling by attributes, consumerís and producerís risk, acceptance sampling by variables, continuous sampling plan. Sequential sampling, OC, ASN, SPRT. Educational statistics: introduction, education and psychology, scaling, measurement of different scores, IQ, planning reliability, validity of tests. Official statistics: official statistics of Bangladesh with special reference to population, economy; critical evaluation of the sources and their limitations.