Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

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A SIMPLE graphical method of calculating standard deviations has been described by Dr. B. Woolf 1. It is sometimes useful, as a means of estimating short-term variations in a process or product, as ...