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- Wilcoxon signed rank sum test (PDF)
This resource is provided under the Creative Commons Licence CC-BY-NC-SA and was developed by statstutor and the sigma Network.
- SPSS T-Tests – See Page 11 (PDF)
This SPSS handbook is here to help you run through inferential statistics in SPSS. (Collings, R. (2013) SPSS Handbooks, Research Methods & Data Analysis. PSY2005STD. The University of Northampton, 18th, March 2013).