Assistant Professor of General Surgery, Islamic Azad University of Medical Sciences, Tehran Branch
Abstract
A statistical sample constitutes a smaller subset selected from a larger statistical population, based on specific criteria for the purposes of observation and analysis. It is imperative that this sample accurately represents the population to ensure that valid generalizations can be made. Statistical results derived from samples that do not adequately reflect the characteristics of the entire population are inapplicable to it. The number of individuals within a statistical sample is denoted by the lowercase letter "n."
