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quartile |
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quartile
[kwôr′təl, kwôr′tīl] Etymology: L, quartus, fourth one-fourth of the distribution of scores. The first quartile would be the lowest 25% of scores, the second quartile would represent the 26% to 50% range of scores, and so on. quartile [kwor´tīl] any of the three values that divide the range of a probability distribution into four parts of equal probability; the first, second, and third quartiles are the 25th, 50th, and 75th percentiles.
quartile one of the values establishing the division of a series of variables into fourths, or the range of items included in such a segment. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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