New IGNOU ECO-07 Help Book Elements of Statistics in English – BBA Mathematics Latest Edition Guide and Study Material.

Block 1 – Basic Statistical Concepts
Meaning and Scope of Statistics
Organising a Statistical Survey
Accuracy, Approximation and Errors
Ratios, Percentages and Rates

Block 2 – Collections, Classification and Presentation of Data
Collection of Data
Classification of Data
Tabular Presentation
Diagrammatic Presentation
Graphic Presentation

Block 3 – Measures of Central Tendency
Concept of Central Tendency and Mean
Median
Mode
Geometric, Harmonic and Moving Averages

Block 4 – Measures of Dispersion and Skewness
Measures of Dispersion-I
Measures of Dispersion-II
Measures of Skewness