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Score distribution chart for sample of 905 children tested on 1916 Stanford–Binet Test IQ classification is the practice of categorizing human intelligence, as measured by intelligence quotient (IQ) tests, into categories such as "superior" or "average".[1][2][3][4] In the current IQ scoring method, an IQ score of 100 means that the test ...
- Above average
- Upper Extreme
- Well Above Average
- Average
Global Peace Index (GPI) is a report produced by the Institute for Economics & Peace (IEP) which measures the relative position of nations' and regions' peacefulness.[2] The GPI ranks 163 independent states and territories (collectively accounting for 99.7 per cent of the world's population) according to their levels of peacefulness. In the ...
e. In economics, the Gini coefficient ( / ˈdʒiːni / JEE-nee ), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality, the wealth inequality, or the consumption inequality [3] within a nation or a social group. It was developed by Italian statistician and sociologist ...
The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...
In probability theory and statistics, the exponential distribution or negative exponential distribution is the probability distribution of the distance between events in a Poisson point process, i.e., a process in which events occur continuously and independently at a constant average rate; the distance parameter could be any meaningful mono ...
The Human Development Index ( HDI) is a statistical composite index of life expectancy, education (mean years of schooling completed and expected years of schooling upon entering the education system ), and per capita income indicators, which is used to rank countries into four tiers of human development. A country scores a higher level of HDI ...
List. The Human Development Report includes data for all 193 member states of the United Nations, [16] as well as Hong Kong SAR and the State of Palestine. However, the Human Development Index is not calculated for two UN member states: DPR Korea (North Korea) and Monaco, only some components of the index are calculated for these two countries.
