Unit l . Introduction: Meaning and Definition of Statistics, Scope of Statistics in Economics, Management, Science and Industry. Concept of Population and sample with illustration, Methods of Sampling SRSWR, SRSWOR, Stratified, Systematic. Data condensation and graphical methods. Raw Data, Attributes and variables, classification frequency distribution, cumulative frequency distribution Graphs- Histogram, Frequency Polygon Diagrams – Multiple bar, Pie, Subdivided bar. .
Unit ll Measuring of Central Tendency: Criteria for good measures of central tendency Arithmetic Mean, Median, Mode for grouped and ungrouped data, combined mean.
Unit lll Measures f Dispersion: Concept of Dispersion, Absolute and Relative Measures of Dispersion, Range, Variance, Standard Deviation, Coefficient of variation, Quartile.
Unit lV Correlation and Regression(For ungrouped data) : Concept of Correlation Positive and Negative correlation, Karl Pearson‟s Coefficient of Correlation Meaning of Regression, Two regression equations, regression coefficients and properties.
Unit V Index Numbers : Meaning and Uses of Index Numbers, Simple and composite Index Numbers, Aggregative and average of price Relatives – simple and weighted index numbers. Construction of index numbers fixed and chain base, Laspear, Paschee, Kelly, and Fisher index number :Construction of consumer price index case of limit index