Basic Statistics – Study Notes
Introduction to Statistics
Statistics is the science of collecting, organizing, presenting, analyzing and interpreting data.
Population and Sample
Population is the entire group under study. Sample is a subset of the population.
Measures of Central Tendency
Arithmetic Mean, Median, Mode, Geometric Mean, Harmonic Mean.
Measures of Dispersion
Range, Variance, Standard Deviation, Coefficient of Variation.
Probability
Classical probability, conditional probability, addition theorem, Bayes theorem.
Correlation and Regression
Correlation measures relationship, regression is used for prediction.
End of Notes