Sampling plans may be classified as follows: 1. Single Sampling Plans 2. Double Sampling Plans 3. Multiple Sampling Plans 4. Sequential Sampling Plan (Item by Item Analysis). 1. Single Sampling Plans: A lot is accepted or rejected on the basis of a single sample drawn from that lot. i. Under this plan, a lot is accepted or rejected on [...]
After reading this article you will learn about:- 1. Definition and Concept of Work Study 2. Need for Work Study 3. Advantages. Definition and Concept of Work Study: Work study, as defined by British Standard Institution, is a generic term for those techniques particularly 'Method Study' and 'Work Measurement' which are used in the examination of human work in all [...]
This article throws light upon the top six techniques used for rating the performance of worker. The techniques are: 1. Speed Rating 2. Skill and Effort Rating 3. Westing-House System of Rating 4. Synthetic Rating 5. Objective Rating 6. Physiological Evaluation. Technique # 1. Speed Rating: Speed of the movements of a worker is the only factor in speed rating. [...]