Statistica - ENG

STATISTICS

Course A – Prof. Aldo Goia
Course B – to be appointed

Course Code: EA007
Subject code: SECS-S/01
8 ECTS – 64 hours
Location: Novara


Educational aims

The goal of the course is to introduce some basic techniques of univariate and bivariate data analysis and some elements of inferential statistics.


Content of the course

Part I – Univariate descriptive statistics
The population and the variables.Frequency distributions and graphics.
Analysis of quantitative variables: the cumulative distribution functions and the quantiles. Measures of the central tendency and variability. The study of concentration.
Analysis of qualitative variables: the heterogeneity.

Part II – Bivariate descriptive statistics
The conjoint distributions and the conditional distributions.
The study of the dependence. The correlation and the linear correlation.
The linear regression. The OLS method. Goodness of fit.

Part III – Elements of Probability and Inference
The random experiments and the probability space. Probability measure on finite sample spaces. Conditional probability and independence. The random variables. Moments. Some useful probability distributions. Linear combination of random variables.
The populations and the samples. The point estimation and the confidence intervals. The Central Limit Theorem and its applications.

Part IV – The study of economic data and time series analysis
The ratios and the index numbers. The aggregate prices indexes.
The time series analysis: classical decomposition. The analysis of a trend. Destagionalization. Introduction to the forecasting problem.


Prerequisites

Basic elements of mathematics and calculus.


Course Texts

Lecture notes and exercises are available in the web page of the course at the URL:

https://eco.dir.unipmn.it/


Teaching methods

Lectures and exercises. Some on-line supports are available on the web page of the course.


Examination

Written examination and an optional oral test.