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  2. Spanish irregular verbs - Wikipedia

    en.wikipedia.org/wiki/Spanish_irregular_verbs

    There are two kinds of changes that can affect stem vowels of some Spanish verbs: diphthongization and vowel raising. Both changes affect -e-or -o-in the last (or only) syllable of a verb stem. Diphthongization changes -e-to -ie-, and -o-to -ue-. Vowel raising changes the mid vowels-e-and -o-to the corresponding high vowels: -i-and -u-respectively.

  3. Spanish conjugation - Wikipedia

    en.wikipedia.org/wiki/Spanish_conjugation

    This is an Oy-Yo verb. Stem: s-, fu-, er-, se-. There are two ways to say "To be" in Spanish: ser and estar. They both mean "to be", but they are used in different ways. As a rule of thumb, ser is used to describe permanent or almost permanent conditions and estar to describe temporary ones. [11]

  4. Shewhart individuals control chart - Wikipedia

    en.wikipedia.org/wiki/Shewhart_individuals...

    In statistical quality control, the individual/moving-range chart is a type of control chart used to monitor variables data from a business or industrial process for which it is impractical to use rational subgroups. [1] The chart is necessary in the following situations: [2]: 231

  5. Apophony - Wikipedia

    en.wikipedia.org/wiki/Apophony

    Navajo vowel ablaut, depending on the verb, may be a change in vowel, vowel length, nasality, and/or tone. For example, the verb stem kaah/-ką́ 'to handle an open container' has a total of 16 combinations of the 5 modes and 4 aspects, resulting in 7 different verb stem forms (i.e. -kaah, -kááh, -kaał, -kááł, -ka’, -ká, -ką́).

  6. Voseo - Wikipedia

    en.wikipedia.org/wiki/Voseo

    With the changing mentalities in the Hispanic world, and with the development of descriptive as opposed to prescriptive linguistics, it has become simply a local variant of Spanish. In some places it has become symbolically important and is pointed to with pride as a local defining characteristic.

  7. Stem-and-leaf display - Wikipedia

    en.wikipedia.org/wiki/Stem-and-leaf_display

    A stem-and-leaf display or stem-and-leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution. They evolved from Arthur Bowley 's work in the early 1900s, and are useful tools in exploratory data analysis .

  8. How a mid-level staffer rose to oversee the Social Security ...

    www.aol.com/mid-level-staffer-rose-oversee...

    Last week, Leland Dudek, a mid-level career employee at the Social Security Administration, posted on LinkedIn that he was placed on administrative leave for cooperating with Elon Musk’s ...

  9. Cereal growth staging scales - Wikipedia

    en.wikipedia.org/wiki/Cereal_growth_staging_scales

    Beginning of the erection of the pseudo-stem; leaf sheaths beginning to lengthen. 5: Pseudo-stem (formed by sheaths of leaves) strongly erected. Stem Extension 6: First node of stem visible at base of shoot. 7: Second node of stem formed; next-to-last leaf just visible. 8: Flag leaf (last leaf) visible but still rolled up; ear beginning to swell. 9