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z score
z score
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Số nhiều: z scores
This term is a technical piece of statistical jargon used primarily in academic, scientific, and psychological research. It carries a neutral, objective tone and is almost exclusively found in formal reports, textbooks, or data analysis contexts rather than in casual conversation.
Because it represents a standardized value, it allows researchers to compare data points from different distributions. It is often referred to as a standard score in more general educational contexts, though z score remains the precise mathematical designation.
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statisticsmeanstandard deviationvariancedistributionnormal distributionbell curveprobabilityoutlierdeviationstandardizationnormalizationsamplepopulationparameterstatisticp valueconfidence intervalnull hypothesissignificance levelcritical valueGaussian distributioncentral limit theoremskewnesskurtosispercentilequartilemedianmoderangecorrelationregressioncovariancet testchi squarestandard errordegree of freedomsampling errorbiasprecisionaccuracydatadatasetvariableconstantcoefficientindexmetricscorevaluemagnitudescalelinear transformationprobability density functioncumulative distribution function