Juran focused more on the human-relations aspects of quality, while Deming's approach involved demonstrating that all business processes are vulnerable to a loss of quality through statistical variation.

ECONOMIST: Guru

Credo thinks that the variation in quality can be traced to the governing legislation behind the schools.

ECONOMIST: Education: Charting a better course | The

However, it says some of the variation could be due to differences in the quality of the data submitted by hospitals.

BBC: Maternity care varies across England