Sturgeon's law: "Ninety percent of everything is crud." Derived from a quote by science fiction authorTheodore Sturgeon, who once said, "Sure, ninety percent of science fiction is crud. That's because ninety percent of everything is crud." Oddly, when Sturgeon's law is cited, the final word is almost invariably changed to "crap".
Sturgeon's law might be regarded as an instance of the Pareto principle.
... 39 years. For every 100 females there are 113.3 males. For every 100 females age 18 and over, there are 108.7 males.
The median income for a household in the town is ...