Business Statistics Unit 1 Part 4 – Measures of Dispersion | B.Com Sem 4 DU 2026 | Range, Quartile

In this lecture, we cover Measures of Dispersion, an important topic from Business Statistics Unit 1 for B.Com Semester 4 students of Delhi University (DU), DUSOL, and regular colleges. Measures of dispersion describe how spread out or variable the data values are around a central value, helping us understand the variability and distribution of data in statistics. This video explains the complete concept, formulas, numerical problems, and exam-oriented explanations to help you prepare effectively for the DU 2026 semester exams. TELEGRAM : https://t.me/collegestudiesdu 📌 Topics Covered in This Video ✔ Meaning and Concept of Dispersion ✔ Importance of Measures of Dispersion in Statistics ✔ Types of Dispersion (Absolute and Relative Measures) ✔ Range – Definition, Formula & Numerical Problems ✔ Coefficient of Range ✔ Quartiles and Interquartile Range ✔ Quartile Deviation (Semi-Interquartile Range) ✔ Mean Deviation (Average Deviation) ✔ Standard Deviation – Concept and Formula ✔ Variance – Meaning and Calculation ✔ Coefficient of Variation (CV) ✔ Practical Numerical Problems for Exams ✔ Short Tricks to Solve Statistics Questions Fast ✔ Previous Year DU Exam Questions Discussion In statistics, common measures of dispersion include range, variance, standard deviation, mean deviation, and quartile deviation, which help measure how much observations vary from the average value. This lecture is especially useful for students preparing for: B.Com Semester 2 Business Statistics Delhi University (DU) Exams DUSOL / SOL Students Last-minute exam revision business statistics measure of dispersion, measure of dispersion statistics, business statistics unit 1, bcom sem 2 statistics, du business statistics, measure of dispersion one shot, range quartile deviation standard deviation, statistics dispersion formulas, du bcom statistics exam preparation, business statistics numericals, variance and standard deviation statistics, coefficient of variation statistics, du statistics syllabus, bcom statistics revision, dusol business statistics, statistics unit 1 lecture, measure of dispersion problems