We think the $250 billion placeholder is a pretty good estimate.
"At best, we can say that these new scores are a pretty good estimate of the way schools and pupils are performing now".
"So we ought to be able to make a pretty good estimate of the grams required to treat every patient in the country in any given year," he said.
If the material happens to be a piece of wood taken out of an Egyptian tomb, for example, we have a pretty good estimate of how old the artifact is and, by inference, when the tomb was built.
The chart above shows a pretty good estimate of Groupon's monthly U.S. revenues based on an analysis of every Groupon deal on its site over the last year (each deal page shows how many Groupons were sold and the price).
"If you take the last two months of what's happened in Egypt for example, and you search every country's history for the periods in the past that are most similar to right now, and then you look at what happened after all those periods, that gives you a pretty good estimate of what happens next".
Shuttleworth was obviously prepared for this kind of question because he started his response by saying "We don't know exactly how many people are using Ubuntu, but we have a pretty good estimate based on download numbers and watching browser user agent strings.
Mike Willegal, an engineer who has indexed 42 Apple-I computersaidaid that number of working computers is a pretty good estimate.
It is not an easy number to nail down, but David McSweeney, director of information and data analytics at Diamond Marketing Solutions, was able to give me a pretty good estimate.
You're likely to make a pretty good estimate on your friend's "true value," but they'll likely have an inflated sense of self-worth.
