B.C.A. Part I Semester I
STATISTICAL METHODS
UNIT- I: Introduction - Definition of Statistics, Importance, and scope of Statistics, Limitations of
statistics, Distrust of Statistics. Statistical Data Collection - Primary and Secondary data,
Methods of Collecting Primary data, Sources and Secondary Data, Census, and Sample
Investigation. Presentation of statistical Data - Classification, Tabulation, Frequency
Distribution, Diagrams, and Graphs. Frequency Distributions and
UNIT- II : Measures of Central Tendency - Frequency Distribution, Continuous Frequency
Distribution, Graphic Representation of a Frequency Distribution Average or Measures of
Central Tendency or Measures of Locations, Requisites for an ideal Measure of Central
Tendency Arithmetic: Mean Median, Mode, Geometric Mean, and Harmonic Mean,
Weighted Average, Relationship amongst different Averages.
UNIT- III: Measures of Dispersion, Skewness and Kurtosis - Meaning and Significance of
Dispersion, Methods of Measuring Dispersion - Range, Quartile, Mean Deviation,
Standard Deviation, Coefficient of Skewness, Kurtosis, Coefficient of Dispersion,
Coefficient of Variation.
Dispersion, Methods of Measuring Dispersion - Range, Quartile, Mean Deviation,
Standard Deviation, Coefficient of Skewness, Kurtosis, Coefficient of Dispersion,
Coefficient of Variation.
UNIT- IV: Correlation and Regression - Definition of Correlation, . Scatter Diagram, Karl Pearson
Coefficient of Correlation, Limits for Correlation Coefficient, Definition of Regression,
Lines of Regression, Regression Curves, Regression coefficients, properties of
Regression coefficients, Correlation Analysis vs. Regression Analysis.
Statistical Methods Notes