Various data summary measures are briefly discussed in this note. In the first section, various measures of location or averages are discussed, followed by a discussion on measures of data dispersion in the second section. ...

This note defines what econometrics is. The differences between models and economic models are brought out. The six steps involved in econometric model building are (a) statement of theory of hypothesis, (b) specification ...

Statistics consist of two parts: descriptive and inferential. Knowledge of some basic statistical concepts is a prerequisite for developing deep into the theory of statistical inference and econometric analysis. Concepts ...

This note defines correlation and discusses various forms of correlations. Partial and rank correlations are also discussed, and an example is given to compute linear and rank correlation coefficients.