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RippleSoft
Instructional Software for
Statistics & Experimental Psychology
RippleSoft Software
www.ripplestat.com
ripplesoftware@mac.com
z-Problem Practice
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z-Problems: Set #1
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z-Problems: Set #2
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© 2005 by Burrton Woodruff. All Rights Reserved. Modified
Fri, Dec 21, 2007
