The Ambiguous Control Chart Trend Rule
There are many control chart rules to detect special causes (i.e., out-of-control conditions). Although most of these rules are clear, the one that seems to befuddle most people is the rule about trends.
There are many control chart rules to detect special causes (i.e., out-of-control conditions). Although most of these rules are clear, the one that seems to befuddle most people is the rule about trends.
You may work in a state-of-the-art lab, but do your ergonomic practices still linger in the 19th century?
In regulated industries, every step of the production process must be verified to some sort of guidance or standard. What this comes down to, practically speaking, is an enormous amount of time and effort spent on actions outside the sphere of production.
Inoculating the planet from Covid-19 presents an unprecedented logistical challenge like none we’ve seen before. Mobilizing for a world war may be the closest comparison, but in this case, the enemy is invisible and everywhere.
The past 18 months have presented unimaginable challenges for many businesses seeking to stay afloat in times of crisis.
Designing, developing, and getting your medical device approved and onto the market is a huge accomplishment—but it isn’t the end of your responsibilities.
Remember the days when large paper maps filled the car, and holidays were booked by a travel agent? Neither do most people.
As more medical devices using network-connection technology are developed, cybersecurity will continue to grow in importance and focus among regulators and manufacturers.
In 2011, we started talking with top B2B executives about their engagement with their firm’s major customers in the aftermath of the financial crisis. The vast majority told us that they were very involved, to great effect.
© 2026 Quality Digest. Copyright on content held by Quality Digest or by individual authors. Contact Quality Digest for reprint information.
“Quality Digest" is a trademark owned by Quality Circle Institute Inc.