The phrase "mean estimate of" is correct and usable in written English.
It can be used to describe the average of an estimate or prediction, such as a mean estimate of 2.6 million visits.
The mean estimate of three analysts polled by Thomson Financial was for $318.4 million.
According to the latest government estimates, the mean estimate of economically recoverable oil in the plain is 3.2 billion barrels.
The mean estimate of analysts surveyed by Thomson First Call was for first-quarter earnings of 6 cents a share.
The results were one cent shy of the mean estimate of nine brokers polled by First Call/Thomson Financial.
Its shares dropped 81p to £11.82 as half year profits rose 2% to $573m, compared to Thomson Reuters' mean estimate of $589m.
The mean estimate of analysts polled by Thomson Reuters was for a loss of 75 cents a share on revenue of $1.55 billion.
The government's scientists say new data put the estimate at 896 million barrels, compared with the agency's 2002 mean estimate of 10.6 billion barrels.
Tokyo Electric said its annual operating loss was ¥272.5 billion, more than the mean estimate of a ¥241.7 billion loss by three analysts.
A 2008 report by the United States Geological Survey produced a mean estimate of 90 billion barrels for the waters north of the Arctic Circle.
Wall Street analysts polled by Thomson Financial/First Call had expected the company, based in Danbury, Conn., to post a profit in the range of 40 to 50 cents, with a mean estimate of 46 cents a share.
The United States Geological Survey estimates that the refuge might contain between 4 billion and 12 billion barrels of oil, with a mean estimate of 7 billion (though much of this could never be pumped out economically).
