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In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), [ 1] although the abbreviations pct., pct, and sometimes pc are also used. [ 2] A percentage is a dimensionless number (pure number), primarily used for expressing proportions ...
Percentile. In statistics, a k-th percentile, also known as percentile score or centile, is a score below which a given percentage k of scores in its frequency distribution falls (" exclusive " definition) or a score at or below which a given percentage falls (" inclusive " definition). Percentiles are expressed in the same unit of measurement ...
Extracellular fluid (1/3 of body water) is fluid contained in areas outside of cells. For a 40-litre body, about 15 litres is extracellular, [8] which amounts to 37.5%. Plasma (1/5 of extracellular fluid). Of this 15 litres of extracellular fluid, plasma volume averages 3 litres, [8] or 20%. Interstitial fluid (4/5 of extracellular fluid)
For example, white men who experienced cardiac arrest and received CPR from a bystander were 41% more likely to survive, the best odds of any group. Meanwhile, Black women had the lowest survival ...
Percent of Norm Sample Theoretical Percent Included 130+ Upper Extreme 2.3 2.2 120–129 Well Above Average 7.4 6.7 110–119 Above Average 16.7 16.1 90–109 Average 49.5 50.0 80–89 Below Average 16.1 16.1 70–79 Well Below Average 6.1 6.7 below 70 Lower Extreme 2.1 2.2
The global literacy rate for all people aged 15 and above is 86.3%. The global literacy rate for all males is 90.0%, and the rate for all females is 82.7%. The rate varies throughout the world, with developed nations having a rate of 99.2% (2013), South and West Asia having 70.2% (2015), and sub-Saharan Africa at 64.0% (2015). [ 1]
For Hispanic women, the highest total fertility rate was in Alabama, at 3.085, and the lowest in Vermont, at 1.200, and Maine, at 1.281. [ 129 ] [ 130 ] Due to the aging and low birth rates among white people , deaths now outnumber births among white people (non-Hispanic) in more than half the states in the country.
25,000,000 – 50,000,000 (estimated) The Black Death was a bubonic plague pandemic occurring in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [ 2] perished, perhaps 50% of Europe's 14th century population. [ 3] The disease is caused by the bacterium Yersinia pestis and spread by ...