news.bbc.co.uk/1/hi/magazine/7568929.stm

Statistics can be shown to prove almost anything. By themselves, statistics are meaningless, until people try to interpret them. The link above is part of a rather interesting series about the manipulation on numbers and figures, and well worth a read (there's a drop-down menu for the other parts of the series in the right column).

“There are three kinds of lies: lies, damned lies, and statistics.”