- Docente: Cinzia Viroli
- Credits: 6
- SSD: SECS-S/01
- Language: Italian
- Teaching Mode: Traditional lectures
- Campus: Bologna
- Corso: First cycle degree programme (L) in Statistical Sciences (cod. 8873)
Learning outcomes
By the end of the module the student should know the basic themes of statistics either from a methodological and an applied perspective. In particular the student should be able to: - summarize statistical data using distributions and graphs - select and compute the most appropriate summary statistics (mean values and variablity measures) - measure the strength of the association between two characters observed on the same set of units.
Course contents
Statistical units and variables
The concept of natural variation
Quantitative and Qualitative data
Observed and relative frequencies
Statistical distributions
Mean values (mode, median, quantiles, arithmetic, harmonic, geometric, quadratic mean)
Variability measures (range, interquartile range, deviance, variance, standard deviation, coefficient of variability, Gini's ratio)
Graphical representations of data
Relationship between two characters
Measure of independence and its standardized forms
Simple linear regression and correlation
Readings/Bibliography
- G. Cicchitelli, Statistica, Principi e Metodi, seconda edizione, Pearson Education Italia, 2012. Capitoli 1,2,3,4,5,6,9,10,11.
Teaching methods
Lectures and tutorials
Assessment methods
The learning assessment is composed by a written test lasting 2 hours, followed by an oral examination. The written test is aimed at assessing the student's ability to use the learned definitions and properties to solve a specific problem. During the written exam, students can make use of a formulary and a calculator. Students are not permitted to use a mobile phone (and smart watch or similar electronic data storage or communication device). The written test consists of some exercises articulated in several points with a final grade out of thirty.
Office hours
See the website of Cinzia Viroli