The percentile distribution of blood pressure (BP) with regard to age, sex and cardiovascular risk factors is unknown. We aimed to provide epidemiological data for a comprehensive description of the ...

When you use a WEIGHT statement, the percentiles are computed differently. The 100pth weighted percentile y is computed from the empirical distribution function with averaging where w i is the weight ...

Understand GRE score percentiles, average scores, and how verbal, quantitative, and writing rankings impact graduate admissions.

This paper presents estimates of per capita community and total water ingestion by age range categories for the population of the United States using data collected in the USDA's 1994–1996 and 1998 ...