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🇨🇳Chinese Source WordCode: ZH

正态离差

Pronunciation / Transliteration: zhèng tài lí chā

🇬🇧 Direct English Meaning:
Normal deviate/ˈnɔːr.məl ˈdiː.vi.eɪt/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇨🇳 Example Sentence in Chinese:

"我们可以通过计算正态离差来得出结论。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A value of a normally distributed random variable that has been standardized to have a mean of zero and a standard deviation of one.

    "The hypothesis test was evaluated by calculating the normal deviate corresponding to the observed sample mean."
  2. 2

    The signed number of standard deviations by which an observation or data point diverges from the mean of a normal distribution.

    "We converted the raw test scores into normal deviates to compare performances across different cohorts."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the combination of 'normal' (from Latin 'normalis', meaning conforming to a rule or standard, based on 'norma') and 'deviate' (from Late Latin 'deviare', meaning to turn aside from a path). The compound term emerged in twentieth-century statistics and probability theory to denote a variable expressed as a standard deviation from the mean of a normal distribution.

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