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  1. J

    How do I setup my data for mann whitney?

    Hi, I have difficulties using SPSS for my study, I'm not entirely sure which analysis to make. I'm trying to compare the velocity of sneezes between groups (neuro disorder + non-neuro). e.g. I'm having 15 participants with results ranging from 0.1 to 0.6 and a control group of 15 people with...