Course is framed in context of six sigma methodology. Topics include principles of Shewhart, Deming, Taguchi; meaning of quality; control charts for variables, individuals, and attributes; process ...

The magnitude of common-cause variation creates the upper and lower control limits in Shewhart control charts.2–5 Such charts summarise the work of health managers well. Figure 1 shows a Shewhart ...

To help distinguish between these two kinds of variation Shewhart devised the premier tool of SPC—the control chart (fig 2). Control charts have three important lines. The central line is the mean or ...

Ghost have become the first hard rock band to top the US album chart since AC/DC 's Power Up in 2020. New album Skeletá sold ...

Order the Official Charts & Hits 2024 via Amazon here (affiliate link)* The latest volume reflects on a year of hits from Chappell Roan, Sabrina Carpenter, Benson Boone, Gracie Abrams, Charli xcx ...

President Trump cast himself on the campaign trail as the savior of U.S. oil and gas. His shock treatment of the American economy has left the industry reeling. Since Trump took office, oil ...

By Derrick Bryson Taylor Don’t call him a one-hit wonder. Jack Black made a surprise return to the Billboard Hot 100 chart this week with another unlikely song from a video game movie ...

Only one Seahawks rookie appears assured of a starting job, but several could see the field early, including Nick Emmanwori.

Using my proprietary Risk Opportunity and Reward (ROAR) scores, here’s a map of the 11 S&P 500 Index ($SPX) sector-specific ...