Decaiile
Decaiile is a term that appears primarily in Romanian statistical contexts. It refers to the plural form of “decai,” which denotes the decile categories used to divide a ranked dataset into ten equal portions. In practice, analysts may calculate decaiile of a national income distribution to illustrate how wealth is distributed across the population. For instance, the first decai (90‑percentile threshold) captures the lower ninety percent of earners, while the tenth decai identifies the top ten percent. By examining decaiile, policymakers can assess socioeconomic inequality, target welfare programs, and compare trends over time.
The concept of decaiile is part of a broader suite of statistical metrics—including percentiles, quartiles, and
Decaiile can also be found in descriptive statistics curricula, and in recent literature it is sometimes used