For the last Brain Teaser, in an interesting spin, sample size was defined as a time window. A is the correct response. The underlying data type falls into the category of defect counts ... [Read More]

A certain company has a complaint department that answers calls for three unique products. Because of failure rates inherent to each product type, some products have a higher expected ... [Read More]

Since “Sick Sigma” was published in April 2006, the public has become much more aware of Six Sigma’s failings. There is little risk today of being burnt at the stake for ... [Read More]

An introduction to Six Sigma for direct marketing Six Sigma methods, used correctly and thoroughly for continuous improvement of direct marketing sales, can produce remarkable results:1. At a ... [Read More]

In a repetitive manufacturing environment, Six Sigma’s quantification is much easier than in the engineer-to-order (ETO) manufacturing environment, where no two products are ... [Read More]

In the last InsideSixSigma issue, we published a brain teaser by Steve Wise, who proposed a scenario and asked you to pick a chart that best described the situation in a manufacturing ... [Read More]

In a certain operation, a part is subject to a high-temperature curing cycle. The ideal curing scan is illustrated in the chart below. The oven chamber begins at room temperature, ramps up ... [Read More]

One of the latest trends in the ongoing evolution of Six Sigma is its rising popularity among college students and its appearance in universities’ curricula. These courses are exposing students ... [Read More]

Once upon a time, in a real, live U.S. corporation, top management decided that Six Sigma was a good idea. They trained up many Black Belts to lead projects to produce documented savings as ... [Read More]

All too often FMEA (Failure Modes and Effects Analysis), DFMEA (Design, Failure Modes, and Effects Analysis) or FMECA (Failure Mode, Effects, and Criticality Analysis) ends up costing a ... [Read More]