英语词汇“z-value”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	z-value
释义	Z-value Z-value (in statistics) indicates how many STANDARD DEVIATIONS away from the MEAN a value resides. For a given set of data the mean (x) is subtracted from each member (x) of the set; then each member is divided by the standard deviation (s) of the set: z = (x - x)/s. A positive score indicates the value is above the mean, a negative score indicates below. Z-values are useful in comparing sets of data with different means and standard deviations.
随便看	territorial marking territorial matrix territorial-militia system territorial multimedia information system on industrial areas territorial nurses association territorial occupation territorial okrug territorial pissing territorial-production complex territorial reserve territorial residents territorial revisionism territorial revival territorials territorial sea territorial seas territorial statehouse state park territorial style territorial tax system territorial teacher training assistance program territorial waters territorian territoried territories territories of the united states

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Z-value