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Two main statistical methods are used in data analysis: descriptive statistics, which summarize data from a sample using indexes such as the mean or standard deviation, and inferential statistics, which draw conclusions from data that are subject to random variation (e.g., observational errors, sampling variation). [4]
For example, the sample mean is an unbiased estimator of the population mean. This means that the expected value of the sample mean equals the true population mean. [1] A descriptive statistic is used to summarize the sample data. A test statistic is used in statistical hypothesis testing. A single statistic can be used for multiple purposes ...
Henry Watson Fowler suggested that the American terms plurality and majority offer single-word alternatives for the corresponding two-word terms in British English, relative majority and absolute majority, and that in British English majority is sometimes understood to mean "receiving the most votes" and can therefore be confused with plurality ...
The plural may be used to emphasise the plurality of the attribute, especially in British English but very rarely in American English: a careers advisor, a languages expert. The plural is also more common with irregular plurals for various attributions: women killers are women who kill, whereas woman killers are those who kill women.
A plural base title can also redirect to an article (Bookends redirects to Bookend; Faces redirects to Face). If separate primary topics are determined, add a hatnote from the plural page to the singular form (or vice versa). Sometimes, what appears to be a plural form may also be a separate word, which can influence the primary topic decision.
The plural (sometimes abbreviated as pl., pl, or PL), in many languages, is one of the values of the grammatical category of number.The plural of a noun typically denotes a quantity greater than the default quantity represented by that noun.
Often a pluractional transitive verb indicates that the object is plural, whereas in a pluractional intransitive verb the subject is plural. This is sometimes taken as an element of ergativity in the language. However, the essence of pluractionality is that the action of the verb is plural, whether because several people perform the action, it ...
Proper nouns that are plural in form take a plural verb in both AmE and BrE; for example, The Beatles are a well-known band; The Diamondbacks are the champions, with one major exception: in American English, the United States is almost universally used with a singular verb.