The draft is an imprecise science, and it is possible the Redskins could make a bad pick with one of those early selections.

It is true that economic forecasting is an imprecise science, to say the least.

But measuring quality is an imprecise science.

Mr. Leonard does not seem to know the difference between precise and imprecise sciences.

But dog-breeding is an imprecise science, especially when characteristics like gentleness and patience are so subjective.

In the early days of photography, controlling the amount of light that came through the lens was an imprecise science, to say the least.

Mr. Contegni would be the first to admit that traffic engineering is an imprecise science.

For one, surveys can be an imprecise science.

The business of forecasting a city's energy appetite will always be an imprecise science.

I would agree that this is an imprecise science.