Statistical data
Sources

Direct and indirect survey. Survey phases. Polls
Source of data of interest for management
Organising the information and graphical representations

Absolute and relative frequency distributions
Graphical representations of frequency distributions
Categorical variables and numerical variables
Cumulative distribution and its graphical representation
Statistical ratios and index numbers.
Position and variability indices
Position indices for categorical variables
Mode
Median and quantiles
Position indices for numerical variables
Range
Interquantile difference
Variance and standard deviation
Coefficient of variation
Standardised numerical variables and linear transformations. Uses of management interest
Other shape indices
Comparison of different variables of interest for management, using position and variability indices. Box-plot
Bivariate distributions
Relations between two variables
Data organisation
Contingency tables, joint distribution, marginal distirbutions, conditional distributions
Association and correlation between variables
Association for categorical variables
Chi-square related association coefficient
Introduction to ontingency analysis
Uses of management interest
Correlation for numerical variables
Graphical representations
Covariance
Correlation
Uses of management interest
Introduction to probability
Historical remarks
Random experiments, events and probability
Set operations. Probability of intersection and union of events
Conditional probability
Independence between events
Bayes' Theorem
Total probability theorem
Uses of management interest
Random variables
Discrete random variables .