The Wilcoxon signed rank test is applied to a single sample in testing whether the population proportion could be a hypothesized value.

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The Wilcoxon signed rank test is used to test for differences between two related samples, typically paired data. It is not used to test population proportions. A test such as the one-sample z-test or one-sample t-test would be more appropriate for testing a population proportion.

The Wilcoxon Signed Rank Test Is Applied to a Single