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NVA or Non-Value Added

Non-value added (NVA) is a management term related to the lean manufacturing movement as codified in the 1980s by a landmark MIT study of the automobile industry, which explained lean production for the first time. It can be defined as an operation that does not...

Non-Value Added

Table of contentsWhat is Non-Value Added?Benefits Reducing Non-Value Added ActivitiesRelated Articles: Estimated reading time: 3 minutes What is Non-Value Added? In business and manufacturing contexts, “non-value added” refers to activities or processes...

Multi-Vari Analysis: Definition, Chart, and Example

Multi-Vari analysis is a graphical tool that finds where variation hides in a process. It sorts variation into three families: positional variation (differences within one piece), cyclical variation (differences from piece to piece), and temporal variation...

Multiple Linear Regression

In statistical modeling, multiple linear regression analysis is a set of statistical processes for estimating the relationships between a dependent variable (often called the ‘outcome variable’) and one or...

Muda

Muda (無駄, on’yomi reading) is a Japanese word meaning “futility; uselessness; wastefulness”, and is a key concept in lean process thinking, like the Toyota Production System (TPS) as one of the three types...
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