Unit 1
Data representations and analysis
Meaning and scope of statistics, collection of data, primary and secondary methods of data collection, classification of data, presentation of data by diagrams, bar diagram and pie diagram.
Unit 2
Averages
Arithmetic mean, median, mode, properties and uses, measures of dispersion – quartile deviation, standard deviation and co-efficient of variation.
Unit 3
Probability
Introduction, Classical definition of probability, Addition theorem, Multiplication theorem, independence of events, conditional probability.
Unit 4
Correlation, regression and time series Analysis
Correlation – meaning and definition, scatter diagram, Karl Pearson?s correlation coefficient, computation and interpretation; Regression, the two regression equations.Time series – meaning and components, business forecasting, methods of estimating trend, graphic, and semi average, moving average method.
Unit 5
Operations Research
Linear programming problem, introduction, mathematical formulation of the problem, graphical solution, standard form of LPP, solution of LPP by simplex method. Network Scheduling by CPM, introduction, Activities and events, network diagram.