two-tail test


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two-tail test

[′tü ‚tāl ‚test]
(statistics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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As we now have a two-tail test our critical region of 5 % is split between the tails.
Comparing the means of the two subsets, the calculated t-statistic of 1.49 is statistically significant at the 10% level in a one-tail test (15.6% in a two-tail test).