15.1. Introduction 15.2. Methods of Dispersion 15.3. Range 15.4. Mean Deviation 15.4.1. Mean Deviation for Ungrouped Data 15.4.2. Mean Deviation for Grouped Data 15.4.3. Limitations of Mean Deviation 15.5. Variance and Standard Deviation 15.5.1. Standard Deviation 15.5.2. Standard Deviation of a Discrete Frequency Distribution 15.5.3. Standard Deviation of a Continuous Frequency Distribution 15.5.4. Shortcut Method to Find Variance and Standard Deviation 15.6. Analysis of Frequency Distribution 15.6.1. Comparison of Two Frequency Distributions with Same Mean
1.Sets 2.Relations & Functions 3.Trigonometric Functions 4.Principle of Mathematical Induction 5.Complex Numbers and Quadratic Equations 6.Linear Inequalities 8.Binomial Theorem 9.Sequence and Series 10.Straight Lines 11. Conic Sections 12.Introduction to Three Dimensional Geography 13.Limits and Derivatives 14.Mathematical Reasoning 15.Statistics 16.Probability