Descriptive Statistics

Objectifs

Master the statistical tools of Descriptive Statistics (one-dimensional study of quantitative or qualitative variables, study of the relationship between two variables, whatever their nature, graphical representations, interpretation of results, notion of index) and apply these tools in SAS.

Plan

Descriptive statistics:

Univariate analysis: nature of variables, central tendency, position and dispersion parameters, shape and concentration parameters, empirical identification of a distribution;

Relationship between 2 qualitative variables: contingency table, Chi-2 statistic and its derivatives.

Linking two quantitative variables: linear correlation coefficient, simple regression.

Link between a quantitative variable and a qualitative variable: correlation coefficient, one-factor analysis of variance.

Notion of index

Prérequis

None