It is almost six months to the day since I last published a video on YouTube. For some time I have noted a gap in my series of Statistics By Hand series. Today I have published the 157th video on my YouTube Channel. The Wilcoxon Signed Rank Test is a non-parametric test to compare two sets of paired data. It is usually carried out on small data sets or non-normal data (a paired t Test is used for normal data). It is an easy to do rank based test with the only calculations necessary being subtraction and addition. Ultimately it will tell the researcher if there is a significant difference between two data sets or not. Enjoy!
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