"The field commander has said 'I need a lot more troops.' And I think it's more than most people, at least in their calculus in the back of their minds, imprecise as that probably was, it was a larger number than they were prepared for,".

VOA: standard.2009.10.16

If your weight is excessive then the implication is that the excess is fat and, of course, people's body composition varies enormously and BMI doesn't know anything about that so it's a very imprecise index when applied to individuals.

BBC: BMI: Does the Body Mass Index need fixing?

The aim was never precise verification, but rather to use a process of admittedly imprecise inspections to make cheating gradually harder.

ECONOMIST: Has George Bush ever met a treaty that he liked?

Reformers cannot constantly wave this idea around as though they are the only ones who care about teacher quality, and then plug their ears whenever critics point out that tests are a very crude, very imprecise measure of student achievements and teacher quality.

FORBES: The False Choices of Education Reform