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2. Pivotal quantity - Wikipedia

   en.wikipedia.org/wiki/Pivotal_quantity

   Then is called a pivotal quantity (or simply a pivot). Pivotal quantities are commonly used for normalization to allow data from different data sets to be compared. It is relatively easy to construct pivots for location and scale parameters: for the former we form differences so that location cancels, for the latter ratios so that scale cancels.

3. Fiducial inference - Wikipedia

   en.wikipedia.org/wiki/Fiducial_inference

   The pivotal method is based on a random variable that is a function of both the observations and the parameters but whose distribution does not depend on the parameter. Such random variables are called pivotal quantities. By using these, probability statements about the observations and parameters may be made in which the probabilities do not ...

4. File:The Periodic Table of the Elements in Pictures.pdf

   en.wikipedia.org/wiki/File:The_Periodic_Table_of...

   English: This pictorial periodic table is colorful, boring, and packed with information. In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings.

5. List of chemistry mnemonics - Wikipedia

   en.wikipedia.org/wiki/List_of_chemistry_mnemonics

   A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

6. Template:Periodic table - Wikipedia

   en.wikipedia.org/wiki/Template:Periodic_table

   Print/export Download as PDF; Printable version; In other projects ... This periodic table is the prime form presented at this English wikipedia.

7. Periodic table (electron configurations) - Wikipedia

   en.wikipedia.org/wiki/Periodic_table_(electron...

   The construction of the periodic table ignores these irregularities and is based on ideal electron configurations. [2] Note the non-linear shell ordering, which comes about due to the different energies of smaller and larger shells.

8. Frito-Lay recalls Lay's Classic Potato Chips over undeclared ...

   www.aol.com/frito-lay-issues-limited-recall...

   A popular salty snack is being recalled. Frito-Lay issued a limited recall on Monday Dec. 16 for 6,344 of its 13-ounce bags of Lay’s Classic Potato Chips, an alert from the Food and Drug ...

9. List of chemical elements - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_elements

   Like the periodic table, the list below organizes the elements by the number of protons in their atoms; it can also be organized by other properties, such as atomic weight, density, and electronegativity. For more detailed information about the origins of element names, see List of chemical element name etymologies.