Daily Archives: March 25, 2009

How to Create a Control Chart for Seasonal or Trending Data

Lynda Finn, President of Statistical Insight, has written an article on how to create a control chart for seasonal or trending data (where there is an underlying structural variation in the data). Essentially you need to account for the structural … Continue reading

Posted in Data, Deming, Management, Process improvement, Quality tools, Science, Statistics | Tagged , , , , , , | 3 Comments