After reading this article you will learn about the process and machine capabilities. Process Capabilities: A process capability study is a determination of the total spread of the process as determined by measuring the product produced under controlled conditions. The process capability is independent of the specification but is determined by: (i) The condition of the machine, (ii) Operator skill, [...]
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 [...]
This article throws light upon the top fourteen tools and techniques used for statistical quality control. Some of the tools are: 1. Probability Concept 2. The Poisson Distribution 3. Normal Distribution 4. Confidence Limits 5. Measures of Central Tendency 6. Estimation 7. Significance Testing 8. Analysis of Variance 9. Control Charts 10. Life Testing 11. Reliability and Reliability Prediction and [...]