Quality assurance is a process-oriented approach that focuses on preventing defects or errors from occurring in the first place. On the other hand, quality control is a product-oriented approach that involves testing and inspecting a product or service to ensure that it meets certain quality standards.

Levey-Jennings (LJ) chart is a graphical tool used in statistical process control (SPC) to monitor and analyze laboratory testing processes. It is a type of control chart that plots the test results over time, along with calculated control limits that indicate the expected variation in the test results.

Standards are widely accepted benchmarks or criteria used to measure quality, performance, or other characteristics of a product, service, or process. Control refers to a variable that is manipulated or managed in an experiment or study to ensure the validity and reliability of the results. Standards may be used as a reference point in quality…[Read more]

Policy is WHY we should be doing something. Processes are WHAT we should be doing. Procedure is HOW we should be doing something.

Systems analysis and design is the formal process of studying a problem and creating a solution. This includes both technical and non-technical skills such as management, communication, and problem solving. Companies use this to evaluate their process and find ways to improve and optimize their business.

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