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  2. Principles and Standards for School Mathematics - Wikipedia

    en.wikipedia.org/wiki/Principles_and_Standards...

    The Principles and Standards for School Mathematics was developed by the NCTM. The NCTM's stated intent was to improve mathematics education. The contents were based on surveys of existing curriculum materials, curricula and policies from many countries, educational research publications, and government agencies such as the U.S. National Science Foundation. [3]

  3. Statistical assumption - Wikipedia

    en.wikipedia.org/wiki/Statistical_assumption

    Model-based assumptions. These include the following three types: Distributional assumptions. Where a statistical model involves terms relating to random errors, assumptions may be made about the probability distribution of these errors. [5] In some cases, the distributional assumption relates to the observations themselves. Structural assumptions.

  4. Seemingly unrelated regressions - Wikipedia

    en.wikipedia.org/wiki/Seemingly_unrelated...

    In econometrics, the seemingly unrelated regressions (SUR) [1]: 306 [2]: 279 [3]: 332 or seemingly unrelated regression equations (SURE) [4] [5]: 2 model, proposed by Arnold Zellner in (1962), is a generalization of a linear regression model that consists of several regression equations, each having its own dependent variable and potentially ...

  5. Ordinary least squares - Wikipedia

    en.wikipedia.org/wiki/Ordinary_least_squares

    In statistics, ordinary least squares (OLS) is a type of linear least squares method for choosing the unknown parameters in a linear regression model (with fixed level-one [clarification needed] effects of a linear function of a set of explanatory variables) by the principle of least squares: minimizing the sum of the squares of the differences between the observed dependent variable (values ...

  6. 3 people shot and 1 person stabbed at Phoenix airport ... - AOL

    www.aol.com/news/3-people-shot-1-person...

    Three people were shot and one person was stabbed following what authorities believe to be a family dispute at a restaurant in the Phoenix Sky Harbor International Airport.

  7. Frank McCourt still wants to buy TikTok if Chinese owner is ...

    www.aol.com/finance/frank-mccourt-still-wants...

    Billionaire Frank McCourt told Yahoo Finance he is still interested in acquiring TikTok if it isn't able to overturn a federal law that demands the Chinese-owned social media app be sold to a US ...

  8. Mathematical statistics - Wikipedia

    en.wikipedia.org/wiki/Mathematical_statistics

    The typical parameters are the expectations, variance, etc. Unlike parametric statistics, nonparametric statistics make no assumptions about the probability distributions of the variables being assessed. [9] Non-parametric methods are widely used for studying populations that take on a ranked order (such as movie reviews receiving one to four ...

  9. Sydney Sweeney Goes Pantsless for Rare Date Night with Fiancé

    www.aol.com/lifestyle/sydney-sweeney-goes-pants...

    Sweeney made the designer bag the centerpiece of her outfit, however, by committing to the maximalist bag charm trend.She decorated the $2,750 Miu Miu design with blue and pink lanyards, strings ...