## Central Tendency

In statistics, the term **central tendency** relates to the way in which quantitative data tend to cluster around some value. A measure of central tendency is any of a number of ways of specifying this "central value". In practical statistical analysis, the terms are often used before one has chosen even a preliminary form of analysis: thus an initial objective might be to "choose an appropriate measure of central tendency".

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### Some articles on central tendency:

**Central Tendency**

... middle-ranked, item is allowed as the measure of

**central tendency**however, the mean (or average) as the measure of

**central tendency**is not allowed ...

... It is thus a measure of

**central tendency**... descriptive statistics can be chosen as a measure of the

**central tendency**of the data items ... statistic is the arithmetic mean, but depending on the nature of the data other types of

**central tendency**may be more appropriate ...

... The most common types of error are leniency errors,

**central tendency**errors, and errors resulting from the halo effect ... typically achieved by reducing the frequency of halo, leniency, and

**central**-tendency errors” ... This method eliminates

**central tendency**and leniency errors but still allows for halo effect errors to occur ...

... Several measures of

**central tendency**can be characterized as solving a variational problem, in the sense of the calculus of variations, namely minimizing variation from the center ... given a measure of statistical dispersion, one asks for a measure of

**central tendency**that minimizes variation such that variation from the center is minimal among all ... sense of Lp spaces, the correspondence is Lp dispersion

**central tendency**L1 average absolute deviation median L2 standard deviation mean L∞ maximum deviation midrange Thus standard deviation about the mean is ...

### Famous quotes containing the words tendency and/or central:

“Democracies are notorious for a *tendency* to obey the feelings rather than the mind; thus the nature of democracies often makes it difficult to conclude a peace after a hard-won war. Generous victors are rare.”

—Amos Elon (b. 1926)

“My solitaria

Are the meditations of a *central* mind.

I hear the motions of the spirit and the sound

Of what is secret becomes, for me, a voice

That is my own voice speaking in my ear.”

—Wallace Stevens (1879–1955)