## Introduction

This article describes how to perform the Wilcoxon signed-rank test to assess whether the median of the sample is equal to a specified value.

## Requirements

A Displayr **document** with a **data set**.

## Method

- Go to
**Anything > Advanced Analysis > Test > Nonparametric > Single Sample Wilcoxon Test**. - Specify the variable to use under
**Inputs > Single-Sample Wilcoxon Test > Variable**.

OPTIONAL: You can adjust the following settings to modify your output:

**mu**- Median of the variable, as assumed under the null hypothesis.**Alternative hypothesis**- Use a two-sided or one-sided test.**Type of test**- Method by which the p-value is computed.**Output****Summary**- Shows a nicely formatted table of the test results (default).**R**- The original text-based output from the`wilcox.test`function.

**Variable names**- Display Variable Names in the output, instead of Variable Labels.**More decimal places**- Display numeric values with 8 decimal places.

## Comments

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