Overview: What is X-bar? In statistics, the Latin small letter x is used to represent a variable in a set of sample data. A horizontal bar over a letter indicates the letter represents the average ...

Acknowledging the complexity of negotiating with over 170 nations, Trump told reporters before departing for Iowa on Thursday ...

Because it’s been employed in so many fields—from algebra, to genetics, to aerospace, to sex and spirituality—X's many meanings make it the most mystifying letter of the alphabet.

Elon Musk's X Corp, formerly known as Twitter, has asked a Florida federal court to dismiss a trademark-infringement lawsuit brought by a legal-marketing agency over its use of the letter "X ...

Post readers discuss the negative effect of President Trump’s tariffs on small-business owners around the country.

There is a significant amount of opportunity to build small homes (e.g., accessory dwelling units, or ADUs) on portions of existing residential lots should some thoughtful modifications of the ...

CEOs to Congress: A lot more small businesses will fail without new aid A letter signed by the top executives of Starbucks, Microsoft, IBM and more than 100 other companies and trade groups ...

These and similar cases lead to the inference that the cross and the letter x were considered practically one and the same symbol for multiplication.

Meta, X, and Snap Inc. signed a letter urging the South Dakota Senate Judiciary Committee to sign a bill placing new age verification restrictions on apps.

Outgoing Rochester City School District Superintendent Dr. Lesli Myers-Small posted a letter on Twitter Wednesday morning saying that serving as the superintendent has been an "opportunity of a ...

Elon Musk received a letter from five state secretaries urging immediate changes to Grok, X's AI chatbot, after it spread false election information ...