Third, a policy aimed at facilitating employee ownership: S corporation employee stock ownership plans (S ESOPs) are also a deviation from a pure income tax system, but the benefits of promoting employee ownership are broad based and well established.

FORBES: Tough Politics Are the Barriers To True Tax Simplification

This kitchen might be smart, but it's also a place where every mistake, every deviation from the master plan, is frowned upon.

WSJ: Are Smart Gadgets Making Us Dumb?

If you rank the countries of the world in terms of the academic performance of their schoolchildren, the U.S. is just below average, half a standard deviation below a clump of relatively high-performing countries like Canada and Belgium.

NEWYORKER: Most Likely to Succeed

We sought to account for the variations of baseball's different eras with the tried and true tool of standard deviation, which allowed us to look past raw win totals to measure the degree to which a team stood above the pack in a given season.

FORBES: Magazine Article

It's lost 0.3% a year over three years with a standard deviation of 14%.

FORBES: Magazine Article

Implied volatility on Target options also surged--options traders anticipating a 31.5% deviation in share prices, a level head and shoulders above Target's actual historical share-price variability of just 21.2%.

FORBES: Magazine Article

In a deviation from the book that amounts to a calumny against literary history, Nick, the author's surrogate, is discovered in a psychiatric hospital where, as an aging alcoholic, he struggles to comprehend the vanished figure at the center of the long-ago story, and finally completes his treatment by writing the novel.

WSJ: The Grating 'Gatsby' | Something in the Air | Film Reviews by Joe Morgenstern