Multi-vari Chart

Multi-vari Charts Help Identify Sources of Process Variation

    A multi-vari chart is a useful tool to help you determine the sources of variation in a process.  The chart was first described by Leonard Sedar in 1950.  To develop a chart, the quality characteristic of interest is plotted across three horizontal panels that represent: Variability on a single piece Piece-to-piece variability Time-to-time variability The problem solving...

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