Statistics (2) enquête (1) papier (1) revenu (1) ménage (1) Pérou (1) Bolivie (1) Chili (1) Argentine (1) Colombie (1) Équateur (1) Uruguay (1) Paraguay (1) Methods (1) Indexes (1) Teenagers (1) Youth (1) Weights and measures (1) Values (1) Tobacco (1) Statistical methods (1) Probabilities (1) Paper (1) Measurement (1) Indexes (1) Income (1) Household surveys (1) Health (1) Farm produce (1) Example (1)