BOOK REVIEW: Understanding Variation: The Key to Managing Chaos, by Donald WheelerJanuary 11, 2013 by Stacey Barr
4 Stars — Interpreting data is about the patterns, not the points
This is not a book for people looking for the technical detail of data analysis or statistical process control. The pearl in this book is the message that interpreting your data (such as KPIs or performance measures) is about looking at patterns, not at individual points. It’s a book that can be read by people not interested in the technical stuff (such as managers or executives) – and it *should* be read by these people.
We have to move beyond the days of comparing this month to last month to judge business performance, and this book is a great step in the right direction!by
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