Mr. B.M.Sankpal. Assistant Professor Dept.of Commerce
Unit -2 Measures of Central Tendency Introduction Objects of An Average Requirements of a Good Average
Types of Average Arithmetic Mean Median Quartiles Mode
Weighted Arithmetic Mean Combine Mean Relation between Mean,Median &Mode Exercises
Unit-3 DISPERSION Introduction Objects of Measuring Dispersion Requirement of a Good Measures of Dispersion. Range
Quartile Deviation Mean Deviation Standard Deviation Absolute & Relative Measures of Dispersion Merits & Demerits of Range ,Q.D.,M.D.,S.D. Numerical Examples