Choosing appropriate sample subgroup sizes for control charts

Article Abstract:

The Statistical Competency Center at IBM-Rochester, MN has come up with an easier way of selecting an appropriate sample size for control charts. The center suggests creating charts that undeniably illustrates the relationship between process shifts and the sensitivity of control charts to detect them through the use of varying subgroup sample sizes. To employ these charts efficiently, there is a need to link the capability of the process to the quality requirements. It is also significant to measure the control chart's sensitivity and the frequency with which the subgroups are derived.

Prepackaged software, International Business Machines Corp., Quality control, Quality control charts

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Good supplier management aids new product launch

Article Abstract:

Unisys, a vertically integrated, multiplant company began to transition from being a vertically integrated company to one that focuses on delivering cost effective solutions to its customers. It has also introduced new supplier development and selection processes.

Unisys Corp.

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Consumer say quality on the rise for autos, PCs

Article Abstract:

High quality score of autos and PCs, based on American Customer Satisfaction Index, is presented.

Motor vehicles and car bodies, Automobiles, Automobile Manufacturing, Evaluation, Reports, Automobile industry, Microcomputers, Customer satisfaction, Personal computers

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