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  2. National Council of Educational Research and Training

    en.wikipedia.org/wiki/National_Council_of...

    NCERT. Website. www.ncert.nic.in. National Council of Educational Research and Training (NCERT) (Hindi: राष्ट्रीय शैक्षिक अनुसंधान और प्रशिक्षण परिषद) is an autonomous organisation of Ministry of Education, the Government of India. Established in 1961, it is a ...

  3. Mathematical statistics - Wikipedia

    en.wikipedia.org/wiki/Mathematical_statistics

    t. e. Mathematical statistics is the application of probability theory, a branch of mathematics, to statistics, as opposed to techniques for collecting statistical data. Specific mathematical techniques which are used for this include mathematical analysis, linear algebra, stochastic analysis, differential equations, and measure theory. [1][2]

  4. Statistical dispersion - Wikipedia

    en.wikipedia.org/wiki/Statistical_dispersion

    In statistics, dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. [1] Common examples of measures of statistical dispersion are the variance, standard deviation, and interquartile range. For instance, when the variance of data in a set is large, the data is widely scattered ...

  5. Education in India - Wikipedia

    en.wikipedia.org/wiki/Education_in_India

    Education has also been made free [72] for children for 6 to 14 years of age or up to class VIII under the Right of Children to Free and Compulsory Education Act 2009. [76] While school enrollment rates have increased, many children leave school with poor literacy and numeracy skills.

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...

  7. Order statistic - Wikipedia

    en.wikipedia.org/wiki/Order_statistic

    Order statistic. Probability density functions of the order statistics for a sample of size n = 5 from an exponential distribution with unit scale parameter. In statistics, the k th order statistic of a statistical sample is equal to its k th-smallest value. [1] Together with rank statistics, order statistics are among the most fundamental ...

  8. Expected value - Wikipedia

    en.wikipedia.org/wiki/Expected_value

    v. t. e. In probability theory, the expected value (also called expectation, expectancy, expectation operator, mathematical expectation, mean, expectation value, or first moment) is a generalization of the weighted average. Informally, the expected value is the mean of the possible values a random variable can take, weighted by the probability ...

  9. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Statistics (from German: Statistik, orig. "description of a state, a country") [1][2] is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. [3][4][5] In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a ...