Guest Jar Jar D'oh! Posted February 17, 2012 Report Share Posted February 17, 2012 (edited) My topic is " investigating the relation between wingspan and Height" I was just wondering whether I should use a one-tailed or two-tailed t-test and why? Edited February 19, 2012 by Jar Jar D'oh! Reply Link to post Share on other sites More sharing options...
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