Business Statistics

Unit No.

Name of Chapter and Contents

Lectures

1

Concept of Statistics.

Role of statistics. In informatics business science

Tabulation, Data condensations and tabulation, Data Condensation and graphical Methods :Raw data , attributes and variables , classification , frequency distribution ,cumulative frequency distributions. Graphs

- Histogram, Frequency polygon. Diagrams - Multiple bar , Pie ,Subdivided bar.

12

2

Measures of Central Tendency and Dispersion

Criteria for good measures of central tendency, Arithmetic mean, Median and Mode for grouped and ungrouped data, combined mean..

12

3

Measures of Dispersion :

Concept of dispersion , Absolute and relative measure of dispersion,  Range, Variance,  Standard deviation, Coefficient of variation, Quartile

Deviation ,Coefficient of Quartile deviation.

12

   4

Correlation and Regression( for ungrouped data )

Concept of correlation, positive & negative correlation, Karl Pearson’s Coefficient of correlation, meaning of regression, Two regression  equations, Regression coefficients and properties.

12