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  2. Index (statistics) - Wikipedia

    en.wikipedia.org/wiki/Index_(statistics)

    In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indices – also known as indexes and composite indicators – summarize and rank specific observations. [2]

  3. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    Dingbat, Dinkus, Index, Pilcrow: Fleuron ‐ Hyphen: Dash, Hyphen-minus-Hyphen-minus: Dash, Hyphen, Minus sign ☞ Index: Manicule, Obelus (medieval usage) · Interpunct: Full-stop, Period, Decimal separator, Dot operator ‽ Interrobang (combined 'Question mark' and 'Exclamation mark') Inverted question and exclamation marks ¡ Inverted ...

  4. Likert scale - Wikipedia

    en.wikipedia.org/wiki/Likert_scale

    Designing a scale with balanced keying (an equal number of positive and negative statements and, especially, an equal number of positive and negative statements regarding each position or issue in question) can obviate the problem of acquiescence bias, since acquiescence on positively keyed items will balance acquiescence on negatively keyed ...

  5. Notation in probability and statistics - Wikipedia

    en.wikipedia.org/wiki/Notation_in_probability...

    Random variables are usually written in upper case Roman letters, such as or and so on. Random variables, in this context, usually refer to something in words, such as "the height of a subject" for a continuous variable, or "the number of cars in the school car park" for a discrete variable, or "the colour of the next bicycle" for a categorical variable.

  6. Help:IPA/English - Wikipedia

    en.wikipedia.org/wiki/Help:IPA/English

    For example, you may pronounce cot and caught the same, do and dew, or marry and merry. This often happens because of dialect variation (see our articles English phonology and International Phonetic Alphabet chart for English dialects). If this is the case, you will pronounce those symbols the same for other words as well. [1]

  7. Index (economics) - Wikipedia

    en.wikipedia.org/wiki/Index_(economics)

    In contrast to a cost-of-living index based on the true but unknown utility function, a superlative index number is an index number that can be calculated. [1] Thus, superlative index numbers are used to provide a fairly close approximation to the underlying cost-of-living index number in a wide range of circumstances. [1] Some indexes are not ...

  8. Indicator (statistics) - Wikipedia

    en.wikipedia.org/wiki/Indicator_(statistics)

    In statistics and research design, an indicator is an observed value of a variable, or in other words "a sign of a presence or absence of the concept being studied". [1] Just like each color indicates in a traffic lights the change in the movement.

  9. Wikipedia : Manual of Style/Pronunciation

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    On macOS, use the Unicode Hex Input keyboard layout, type option-0–2–5–2 for ɒ On macOS Yosemite 10.10.5 you can hold down a key for a second and a number of diacritics will appear above the cursor as clickable options. 'a' for example offers à á â ä æ ã å and ā. Enter them into wikitext as HTML character entities