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SYLLABUS
UNIT-I
INTRODUCTION Origin and Development of Statistics - Definition - Importance and Scope - Limitations of Statistics - Distrust of Statistics. Statistical Investigation: Planning of Statistical Investigation - Census and Sampling Methods - Collection of Primary and Secondary Data - Statistical Errors and Approximation - Classification and Tabulation of Data - Frequency Distribution
UNIT – II
DIAGRAMMATIC AND GRAPHIC PRESENTATION Diagrammatic Presentation: One Dimensional and Two Dimensional Diagrams - Pictograms - Cartograms - Graphic Presentation: Technique of Construction of Graphs - Graphs of Frequency Distribution - Graphs of Time Series or Histograms
UNIT-III
MEASURES OF CENTRAL TENDENCY Introduction -Significance - Arithmetic Mean - Geometric Mean - Harmonic Mean – Mode - Median - Quartiles and Percentiles - Simple and Weighted Averages - Uses and Limitations of different Averages
UNIT-IV
MEASURES OF DISPERSION, SKEWNESS AND KURTOSIS Measures of Dispersion: Significance - Characteristics - Absolute and Relative Measures - Range - Quartile Deviation - Mean Deviation- Standard Deviation - Coefficient of Variation Measures of Skewness - Karl Pearson‘s Coefficient of Skewness - Bowley‘s Coefficient of Skewness - Kelly‘s Measure of Skewness - Kurtosis: Mesokurtosis, Platy kurtosis and Leptokurtosis
UNIT-V
CORRELATION Meaning -Types - Correlation and Causation - Methods: Scatter Diagram - Karl Person’s Coefficient of Correlation - Probable Error and Interpretation of Coefficient of Correlation - Rank Correlation - Concurrent Deviation Method
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CategoriesArts and Science
Format EPUB
TypeeBook