But basing their estimates on their figures are just madness.

He therefore based his estimates on a mere four hundred thousand.

The bureau bases its estimates on information from a diverse set of sources, not all of which are instantly available.

And it based its estimates on an assumption that the weather would be clear.

The report based its estimates on the number of casinos permitted under the resolution.

We've based our estimates on a composite derived from available information.

We base our estimates on the quality of the artist's work and on their importance.

They based their estimates on this year's sales tax collections, which so far are about 12 percent ahead of last year's through October 1999.

The company based its previous estimates for natural gas at a price of $6 per million British thermal units.

Researchers based their estimates of salt consumption on what they perceived as a typical diet.