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  2. Numeracy - Wikipedia

    en.wikipedia.org/wiki/Numeracy

    Fundamental (or rudimentary) numeracy skills include understanding of the real number line, time, measurement, and estimation. [6] Fundamental skills include basic skills (the ability to identify and understand numbers) and computational skills (the ability to perform simple arithmetical operations and compare numerical magnitudes).

  3. Coloring book - Wikipedia

    en.wikipedia.org/wiki/Coloring_book

    A coloring book (British English: colouring-in book, colouring book, or colouring page) is a type of book containing line art to which people are intended to add color using crayons, colored pencils, marker pens, paint or other artistic media. Traditional coloring books and coloring pages are printed on paper or card.

  4. Expected value - Wikipedia

    en.wikipedia.org/wiki/Expected_value

    To empirically estimate the expected value of a random variable, one repeatedly measures observations of the variable and computes the arithmetic mean of the results. If the expected value exists, this procedure estimates the true expected value in an unbiased manner and has the property of minimizing the sum of the squares of the residuals ...

  5. List of Crayola crayon colors - Wikipedia

    en.wikipedia.org/wiki/List_of_Crayola_crayon_colors

    In 1992, Crayola released a set of eight Multicultural Crayons which "come in an assortment of skin hues that give a child a realistic palette for coloring their world." [ 15 ] The eight colors used came from their standard list of colors (none of these colors are exclusive to this set), and the set was, for the most part, well received, though ...

  6. Estimator - Wikipedia

    en.wikipedia.org/wiki/Estimator

    In statistics, an estimator is a rule for calculating an estimate of a given quantity based on observed data: thus the rule (the estimator), the quantity of interest (the estimand) and its result (the estimate) are distinguished. [1] For example, the sample mean is a commonly used estimator of the population mean. There are point and interval ...

  7. Crayola - Wikipedia

    en.wikipedia.org/wiki/Crayola

    Crayola LLC, formerly the Binney & Smith Company, is an American manufacturing and retail company specializing in art supplies. It is known for its brand Crayola and best known for its crayons. The company is headquartered in Forks Township, Pennsylvania in the Lehigh Valley region of the state.

  8. Hat notation - Wikipedia

    en.wikipedia.org/wiki/Hat_notation

    In statistics, a circumflex (ˆ), called a "hat", is used to denote an estimator or an estimated value. [1] For example, in the context of errors and residuals, the "hat" over the letter ^ indicates an observable estimate (the residuals) of an unobservable quantity called (the statistical errors).

  9. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.

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