If you have a paired data that consists of matched pairs collected from two dependent populations then Wilcoxon signed rank test may be appropriate to use.

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Wilcoxon signed rank test is appropriate for paired data from dependent populations, where the samples are not independent. It is used to compare the means of two related populations when the data are not normally distributed or the assumptions for a paired t-test are not met. Therefore, the statement is true.

If You Have a Paired Data That Consists of Matched