Wilcoxon Signed-Rank Test: The Paired t-Test Alternative (Statistics Tutorial)

Learn when and how to use the Wilcoxon Signed-Rank Test in this step-by-step statistics tutorial! 📊 When your paired data isn't normally distributed, the Paired t-Test might give you misleading results. That's where the Wilcoxon Signed-Rank Test comes in. We break down the concepts using simple visuals and a clear example calculation. In this video, we cover: ✅ What is the Wilcoxon Signed-Rank Test? ✅ Assumptions: When to use it over the t-Test ✅ Step-by-step calculation: Ranking differences ✅ How to interpret the W statistic and P-values Perfect for students in AP Statistics, Psychology, Biology, or anyone analyzing pre/post data! 🧠 #statistics #datascience #math #research #psychology #biostatistics #wilcoxon Chapters: 00:00 - Wilcoxon Signed-Rank Test 00:14 - What is the Wilcoxon Signed-Rank Test? 00:39 - When Should You Use It? 01:00 - Why Not Just Use the Paired t-Test? 01:23 - Step 1: Calculate Differences 01:41 - Step 2: Rank Absolute Differences 02:05 - Step 3: Add Signs to Ranks 02:22 - Step 4: Calculate W 02:40 - Making a Decision 03:08 - Summary 03:30 - Outro 🔗 Stay Connected: ▶️ YouTube: https://youtube.com/@thecodelucky 📱 Instagram: https://instagram.com/thecodelucky 📘 Facebook: https://facebook.com/codeluckyfb 🌐 Website: https://codelucky.com ⭐ Support us by Liking, Subscribing, and Sharing! 💬 Drop your questions in the comments below 🔔 Hit the notification bell to never miss an update #CodeLucky