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Welcome to eGyanKosh’s dedicated resource page for the M-21 course, where we delve into the essential topic of comparing “r” in both independent and dependent groups. This comprehensive study material is designed specifically for IGNOU students preparing for the 2025 examination. Here, you will find invaluable insights, educational resources, and downloadable materials that enhance your understanding of statistical comparisons. Whether you are a novice or looking to refine your knowledge, this page aims to provide you with the tools you need for success in your studies. Explore the resources below and gear up for a fruitful learning experience!