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Statistics Roundtable: Assessing Analytical Equipment Accuracy

by Hare, Lynne B.

Much ink and training time have been devoted to measurement systems analysis (MSA)—the adopted child of Six Sigma—and other statistical training programs that continue to add great value through improvements in quality and productivity....


Expert Answers: October 2012

by QP Staff

Finding the right role ... Audit mismatches ... Accuracy in calibration...


Measure for Measure: On Solid Ground

by Bucher, Jay L.

There are a few fundamentals every calibration or metrology department should know to get moving in the right direction....


Statistics Roundtable: Gage R&R Reminders

by Hare, Lynne B.

Major characteristic specification limits of a popular brand were 3% and 4%. Product with lower than 3% lacked consumer appeal, and product with greater than 4% had reduced shelf life....


Measure for Measure: Best of Both Worlds

by Shah, Dilip

Some measuring instruments allow you to display either metric or imperial units at the touch of a button. This raises the question of whether two measurement uncertainty budgets are required for the different units of measurement....


Measure for Measure: Keep Your Resolution

by Shah, Dilip

When estimating measurement uncertainty for a measurement parameter, it is necessary to take into consideration the error permitted by accuracy specification, precision and resolution....


Measure for Measure: Where Does It Say That?

by Bucher, Jay L.

I'm amazed by how many experienced, trained, professional calibration personnel do not know what the U.S. Food and Drug Administration regulations say about calibration requirements....


Open Access

Guru Guide

by QP Staff

The quality world certainly has its game-changers, and as part of its annual quality basics issue, QP is highlighting six individuals who indelibly altered the course of quality....


Measure for Measure: Matter of Life and Death

by Bucher, Jay L.

In too many cases, lack of traceability is a daily occurrence. I'm not talking about the traceability of a batch or lot of product. I’m referring to the traceability of test instruments....


Measure for Measure: Calibration, From Cradle to Grave

by Bucher, Jay L.

"From cradle to grave" is a phrase commonly used in drug development. But it makes just as much sense when talking about calibration, because in nearly every part of our lives, we are exposed to various measurement disciplines and influences....


Measure for Measure: Managing the Measurement System

by Payne, Graeme C.

ISO 10012:2003 helps you plan your total measurement system....


Measure for Measure: Four Steps to Ensure Measurement Data Quality

by Graham, Robert

Millions of measurements are made every day in this country, ranging from the very simple to the extremely complex. Unfortunately, many do not obtain valid results because they make unrealistic assumptions about their measurement capability....


Calibration: Why It's Important

by Payne, Graeme

In my July 2005 installment in this series of articles on calibration, I talked about the trilogy of fast service, high quality and low price....


Column: Statistics Roundtable: Using degradation data for product liability analysis.

by Meeker, William Q.; Doganaksoy, Necip; Hahn, Gerald J.

A case study shows how this type of data can provide more precise results in assessing reliability

High reliability systems require individual components to have extremely high reliability for a long time. Often, the time for product development is short, imposing severe constraints on reliability testing. Traditionally, methods for the analysis of...


The New Pragmatism: Going Beyond Shewhart and Deming

by Lovitt, Michael R.

The pragmatism of Walter A. Shewhart and W. Edwards Deming is contrasted with that of Richard Rorty. Shewhart and Deming were influenced by the work of C. I. Lewis, who based his conceptual pragmatism on ideas of Charles S. Peirce, William James, and...



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