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  2. New High German - Wikipedia

    en.wikipedia.org/wiki/New_High_German

    The German term was originally coined in 1819 by Jacob Grimm for the period from around 1450 to the present day, following on from Middle High German (Mittelhochdeutsch). [2] [3] However, in 1878 Wilhelm Scherer proposed a transitional period, 1350–1650, for which he coined the new term Frühneuhochdeutsch (Early New High German), thus dating New High German from the mid 17th century. [4]

  3. Mean absolute error - Wikipedia

    en.wikipedia.org/wiki/Mean_absolute_error

    In particular, m is a sample median if and only if m minimizes the arithmetic mean of the absolute deviations. [ 7 ] More generally, a median is defined as a minimum of E ( | X − c | − | X | ) , {\displaystyle E(|X-c|-|X|),} as discussed at Multivariate median (and specifically at Spatial median ).

  4. Middle-market company - Wikipedia

    en.wikipedia.org/wiki/Middle-market_company

    A middle-market or mid-market company is one that is larger than a small business and smaller than a big business. [1] [2] Different authorities use different metrics to compare company sizes — some look at revenue, others at either asset size or number of employees [3] — with the result that different authorities give different definitions of the "middle market".

  5. Market structure - Wikipedia

    en.wikipedia.org/wiki/Market_structure

    Example: Agricultural products which have many buyers and sellers, selling homogeneous goods where the price is determined by the demand and supply of the market and not individual firms. In the short run, a firm in a perfectly competitive market may gain profits or loss, but in the long run, due to the entry and exit of new firms, price will ...

  6. List of mathematical functions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_functions

    In mathematics, some functions or groups of functions are important enough to deserve their own names. This is a listing of articles which explain some of these functions in more detail. This is a listing of articles which explain some of these functions in more detail.

  7. Small and medium enterprises - Wikipedia

    en.wikipedia.org/wiki/Small_and_medium_sized...

    Small and medium-sized enterprises (SMEs) or small and medium-sized businesses (SMBs) are businesses whose personnel and revenue numbers fall below certain limits. The abbreviation "SME" is used by many national agencies and international organizations such as the World Bank , the OECD , European Union , the United Nations , and the World Trade ...

  8. Neglected firm effect - Wikipedia

    en.wikipedia.org/wiki/Neglected_firm_effect

    The neglected firm effect is the market anomaly phenomenon of lesser-known firms producing abnormally high returns on their stocks.The companies that are followed by fewer analysts will earn higher returns on average than companies that are followed by many analysts.

  9. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.