# Sociologia | STATISTICS

## Sociologia STATISTICS

 0312300023 DIPARTIMENTO DI STUDI POLITICI E SOCIALI EQF6 SOCIOLOGY 2019/2020

 OBBLIGATORIO YEAR OF COURSE 2 YEAR OF DIDACTIC SYSTEM 2011 PRIMO SEMESTRE
SSD CFU HOURS ACTIVITY TYPE OF ACTIVITY SECS-S/01 9 60 LESSONS COMPULSORY SUBJECTS, CHARACTERISTIC OF THE CLASS
 GIUSEPPE GIORDANO T
Objectives
EDUCATIONAL AIMS
THE COURSE AIMS TO PROVIDE THE BASIC QUANTITAIVE TOOLS THAT ALLOW TO DESCRIBE AND ANALYZE DATA FROM UNIVARIATE AND BIVARIATE CENSUS AND SAMPLE SURVEY.

KNOWLEDGE AND UNDERSTANDING
- STUDENTS WILL HAVE ACQUIRED KNOWLEDGE, WITH THE SUPPORT OF TEXT BOOKS, ABOUT THE FUNDAMENTAL ELEMENTS OF METHODS AND TECHNIQUES FOR THE ANALYSIS OF DATA AND FOR THE TREATMENT OF DATA FROM SAMPLE SURVEYS.

ABILITY TO APPLY KNOWLEDGE AND UNDERSTANDING
- STUDENTS WILL HAVE ACQUIRED SKILLS AND OPERATIONAL PRACTICES RELATING TO THE TREATMENT, ANALYSIS AND INTERPRETATION OF SOCIAL PHENOMENA;
- STUDENTS WILL HAVE ACQUIRED THE ABILITY TO ORGANIZE AND MANAGE STATISTICAL DATABASE.
Prerequisites
PASSING THE OFA IN MATHS.
ABILITY IN USING SPREADSHEETS (E.G. EXCEL)
Contents
THE COURSE IS ORGANIZED IN 3 THEMATIC MODULES.

MODULE 1: DESCRIPTIVE STATISTICS
DESCRIPTION OF COLLECTIVE PHENOMENA. POPULATION AND SAMPLE. THE STATISTICAL DATA. QUALITATIVE AND QUANTITATIVE VARIABLES. THE STATISTICAL TABLES. THE GRAPHICAL REPRESENTATIONS. THE FREQUENCY DISTRIBUTIONS. THE AVERAGE VALUES. THE VARIABILITY.
BIVARIATE ANALYSIS FOR QUALITATIVE AND QUANTITATIVE DATA. CONTINGENCY TABLES. CHI-SQUARE ASSOCIATION TEST. LINEAR CORRELATION. LINEAR REGRESSION MODEL.

MODULE 2: ELEMENTS OF PROBABILITY
DEFINITION OF PROBABILISTIC MODEL. BERNOULLI MODEL. DEFINITION OF RANDOM VARIABLE. DISCRETE AND CONTINUE RANDOM VARIABLES. DEFINITION OF DENSITY FUNCTION. EXPECTED VALUE AND VARIANCE OF A RANDOM VARIABLE. BERNOULLI RANDOM VARIABLE AND NORMAL RANDOM VARIABLE. CENTRAL LIMIT THEOREM. DEFINITION OF STATISTICS. DISTRIBUTION OF A SAMPLE STATISTICS. MEDIA AND VARIANCE OF THE DISTRIBUTION OF MEDIA AND SAMPLE PROPORTION.

MODULE 3: ELEMENTS OF INFERENCE
POINT ESTIMATES AND CONFIDENCE INTERVAL FOR PROPORTION AND MEAN. TEST FOR MEAN AND PROPORTION. THE CHI-SQUARE TEST FOR INDEPENDENCE.

Teaching Methods
LECTURES AND CLASSROOM EXERCISES. CASE-STUDY IN THE SOCIO-ECONOMIC FIELD.
Verification of learning
INTERCOURSE LEARNING TESTS, THE FINAL EXAM PROVIDES A WRITTEN TEST FOR THE ASSESSMENT OF PRACTICAL SKILLS AND AN ORAL TEST TO EVALUATE THE UNDERSTANDING OF THEORIC ASPECTS. ALL STUDENTS ARE ADMITTED TO THE ORAL DISCUSSION. THE EXAM IS PASSED PROVIDED THAT THE STUDENT IS ABLE TO COVER HALF OF THE WRITTEN EXERCISES AND SHOW PROPER PADRONANCE OF THE PECULIAR LANGUAGE OF THE FIELD.
Texts
STATISTICA, LEVINE DAVID M.; KREHBIEL TIMOTHY C.; BERENSON MARK L. 2011, 5 ED., EDITOREPEARSON (COLLANA STATISTICA)

CAP 1; CAP 2 (PAR.: FROM 2.1 TO 2.4); CAP 3; CAP 5 (PAR. 5.1); CAP. 6 (PAR.: 6.1 AND 6.2); CAP. 7 (TO BE READ: PAR. 7.1 - 7.2; TO TUDY: PAR.: 7.3, 7.4, 7.5); CAP. 8; CAP. 9; CAP. 11 (PAR.: 11.3); CAP. 12 (PAR.: 12.1, 12.2)
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