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Which of the following tests would be most appropriate to determine whether there was a difference in weight for a sample of 20 individuals before

Which of the following tests would be most appropriate to determine whether there was a difference in weight for a sample of 20 individuals before and after a diet intervention? Assume the distribution of weight change is highly skewed. Question 21 options: Independent samples t-test Paired samples t-test Wilcoxon Matched-Pairs Signed Rank test Mann-Whitney rank-sum (U) test

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