Statistics

Sample and Population

• Populations and Samples
• Measurement Scales 
• Measures of Central Tendency: Mean, Median and Mode
• Calculating Percentiles, Quartiles, and Quintiles
• Types of Frequency Distribution

Measures of Dispersion

• Chebyshev’s Inequality
• Coefficient of Variation
• The Mean Absolute Deviation
• The Range
• Population Variance and Standard Deviation
• Sample Variance and Standard Deviation
• Semivariance and Semideviation
• Use of Arithmetic Mean and Geometric Mean in Return Calculation
• Symmetry and Skewness in returns Distribution
• Kurtosis