Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more effectively. Learn about lower, median, and upper quartiles.

Discover how audit trails trace financial data, ensure compliance, and detect fraud. Learn their importance in accounting, trade, and regulatory contexts.

Bill Siwicki is Managing Editor of Healthcare IT News. Bill has 36 years of experience in journalism, with more than 25 years experience in healthcare IT.

Stay informed with news, commentary, and archival articles on school shootings and violence from The New York Times.