Rank Correlation | Spearman Rank Cofficient of correlation скачать в хорошем качестве

Rank Correlation | Spearman Rank Cofficient of correlation

In this video, we have explained the concept of Spearman Rank Correlation Coefficient in a simple and exam-oriented manner for B.Pharm 8th Semester students under the subject Biostatistics and Research Methodology. Spearman’s rank correlation coefficient (ρ or rₛ) is a non-parametric method used to measure the degree and direction of association between two ranked variables. It is especially useful when the data does not follow a normal distribution or when dealing with ordinal data. 🔹 Topics Covered in This Video: Meaning and definition of Spearman Rank Correlation When to use Spearman’s method Formula of Spearman Rank Correlation Coefficient Explanation of each term in the formula Calculation procedure step-by-step Handling of tied ranks Interpretation of results (positive, negative & zero correlation) Difference between Spearman and Karl Pearson correlation Important exam points for university & GPAT 📌 Formula: rₛ = 1 – [6Σd² / n(n² – 1)] Where: d = Difference between ranks n = Number of observations This topic is very important for university exams, viva, and competitive exams like GPAT and Pharmacist exams. 🎯 Watch till the end for clear numerical examples and easy tricks to solve problems quickly. #SpearmanRankCorrelation #Biostatistics #BPharm8thSem #ResearchMethodology #PharmacyStudents #GPATPreparation #Correlation #NonParametricTest #PharmacyEducation #PCI_Syllabus