ResultsCalculated from: Wilcoxon_Signed_Rank.csv using R.P-value (asymptotic):
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-2.3953Written as a sentenceThere was a significant difference between Group A and Group B (z = -2.40, p < 0.05).Test assumptionsYour data must have these characteristics for this test to be valid.
1) Values are paired and come from the same population.
2) Pairs are chosen randomly and are independent of each other.
Interpreting results: recommended readingsNeed a refresher? Start here!
1) Warning Signs in Experimental Design and Interpretation
2) Type I and Type II Errors