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  2. Obesity - Wikipedia

    Obesity is a medical condition, sometimes considered a disease, in which abnormal or excess body fat has accumulated to such an extent that it may have a negative effect on health.

  3. Sample mean and covariance - Wikipedia

    The sample covariance matrix has in the denominator rather than due to a variant of Bessel's correction: In short, the sample covariance relies on the difference between each observation and the sample mean, but the sample mean is slightly correlated with each observation since it is defined in terms of all observations.

  4. Product sample - Wikipedia

    A free sample or "freebie" is a portion of food or other product (for example beauty products) given to consumers in shopping malls, supermarkets, retail stores, or through other channels (such as via the Internet). Sometimes samples of non-perishable items are included in direct marketing mailings.

  5. Median - Wikipedia

    Previously, this article discussed the univariate median, when the sample or population had one-dimension. When the dimension is two or higher, there are multiple concepts that extend the definition of the univariate median; each such multivariate median agrees with the univariate median when the dimension is exactly one.

  6. Untrue - Wikipedia

    Untrue may refer to falsehood, or to: . Music. Untrue a 2007 album by Burial; Songs "Untrue", single by Tchami 2014 "Untrue", song by Katatonia composed by Blakkheim / Katatonia Brave Yester Days 2004 Sounds of Decay

  7. Quartering - Wikipedia

    Coning and quartering a process for splitting of an analytic sample; Quartering, a method in the assaying of gold; see Gold parting ยง Acid parting; The Quartering Acts, requiring American civilians to provide living spaces for British soldiers prior to the American Revolution; See also. Quarter (disambiguation)

  8. Chemical decomposition - Wikipedia

    Chemical decomposition, or chemical breakdown, is the process or effect of simplifying a single chemical entity (normal molecule, reaction intermediate, etc.) into two or more fragments.