BBA202 Business Statistics

5th February 2020 1 By indiafreenotes

Unit 1 {Book}

Definition of Statistics: Primary and Secondary data

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Classification and Tabulation of data

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Measures of Central Tendency:

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Arithmetic Mean

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Geometric Mean

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Harmonic Mean

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Mode

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Median

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Measures of Dispersion:

Range

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Quartile Deviation

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Mean Deviation and Standard Deviation

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Coefficient of Variation

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Absolute and relative measures of dispersion

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Unit 2 {Book}

Correlation Analysis: Introduction, Importance of correlation Analysis

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Types of correlation: Positive and Negative correlation, Linear and Non -Linear Correlation

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Measures of Correlation:

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Scatter Diagram Method

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Karl Pearson’s Co-efficient of correlation

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Spearman’s Co-efficient of Rank Correlation

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Regression Analysis:

Difference between Correlation and Regression

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Lines of Regression and Properties of regression line, Regression Co-efficient

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Methods of Least Squares, Fitting straight lines, and their properties

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Unit 3 {Book}

Probability: Definition of probability

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Classical and empirical probability

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Addition and Multiplication rule of probability

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Conditional probability, Simple problems.

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Unit 4 {Book}

Time Series Analysis: Utility of Time Series

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Components of time series

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Time series models: Addition and Multiplication model

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Measurement of trend: Graphic Method, Moving Average Methods, Method of Least squares, Fitting a straight line trend

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Seasonal variations: Estimation of seasonal variations, Method of simple average, Ratio to Trend method, Ratio to moving average method, cyclical variations

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