Quality Management : Quality Control

Open Access

Best of Back to Basics: Curve Your Enthusiasm

by Phillips, David

Microsoft Excel includes built-in functions that make drawing OC curves easy. This column focuses on attribute (pass/fail) single sampling plans that can be modeled with the binomial distribution....

Open Access

Perspectives: U.S. Secretary of Quality?

by Weeden, Marcia M.

There is no denying that President Barack Obama and the U.S. Congress continue to receive low approval ratings. What causes this dissatisfaction depends on who you ask, who does the asking and what both sides are trying to achieve....

Open Access

Back to Basics: Curve Your Enthusiasm

by Phillips, David

Microsoft Excel includes built-in functions that make drawing OC curves easy. This column focuses on attribute (pass/fail) single sampling plans that can be modeled with the binomial distribution....

Open Access

Back to Basics June 2014 - Online Figure

by Phillips, David

La Figura 1 muestra un ejemplo de curva CO. Es un gráfico que representa la probabilidad de aceptación del lote de acuerdo al plan de muestreo (en el eje y) en función del porcentaje concreto (y generalmente desconocido en la vida real) de elementos no co...

Open Access

Career Corner: Out of Hiding

by ReVelle, Jack B.

While I was the senior statistician for a manufacturing division of a major aerospace firm, I shared the concept of the hidden factory with a statistical quality control (SQC) training class composed entirely of senior and middle management....

Open Access

Perspectives: First, Do No Harm

by Cichowicz, Judith A.

Healthcare costs in the United States are increasing at staggering rates. In fact, last year’s employer health insurance premiums increased by 5%, which is two times the rate of inflation....

Open Access

One Good Idea: Find the Answers You Seek

by Harkins, Ray

Incidental differences—those with no impact on the component's performance—are often resolved by modifying the product print to match the samples. Microsoft Excel has a powerful tool called "Goal Seek" that makes this resolution a breeze....

Expert Answers: June 2008

by Kubiak, T.M.; Cogan, Ken; Allen, I. Elaine

Calculating DPMO ... Origins of sampling plan....

Quality in the First Person: All Roads Lead to Quality

by Robinson, Henry W.

At 17, most high school students are trying to decide what they want to do with their lives. At graduation, I never would have thought that in 10 years I would work in quality assurance....

Open Access

NFL Teams Huddle Up Around Quality

by Edmund, Mark

Football has evolved to become big business, and with the big money comes the pressure for teams to win. Almost every NFL team today employs coaches and personnel dedicated to controlling the quality of actions on the field. NFL head coach Tom Landry is...

Open Access

One Good Idea: The Probability of Reoccurrence: P(r)

by Owens, Dennis R.

Bob, the quality manager at Acme Co., was sent a supplier corrective action request(SCAR) from Acme's largest customer. Bob assembled a team of engineers to identify the problem and determine a root cause....

Merging Quality Cultures in Contract Manufacturing

by Jones, David M.

When EPIC Technologies acquired the Siemens Electronic Manufacturing Center operations in Johnson City, Tennessee, it became necessary to merge its quality culture with those of its new subsidiary while continuing to keep its original customers happy....

Inefficiency With the Best of Intentions

by Allen, Jay

As quality professionals, we are all familiar with lean thinking. We have spent years, sometimes decades, trying to find waste and eliminate it. But did you ever wonder how the waste got there?...

Better Teaching with Deming and Bloom

by Hills, James A.

The quality management concepts of W. Edwards Deming can be combined with Benjamin Bloom’s cognitive taxonomy to improve teaching methods. To integrate these concepts, a quality control sheet is developed to monitor improvement, integrate subject...

Control Charting at the 30,000-Foot-Level

by Breyfogle, Forrest

For a given process, do you think everyone would create a similar looking control chart and make a similar statement relative to process control and predictability? This type of data traditionally leads to an and R control chart, as shown in Figure 1 (p. ...

Open Access

Quality Glossary

by ASQ

A handy reference is provided of quality terms, acronyms, and key people in the history of quality. Information is derived from a variety of sources and compiled by the editorial staff of the American Society for...

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