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Physics and Statistics - mod. STATISTICS
LUIGI FERRANTE

Seat Medicina e Chirurgia
A.A. 2013-2014
Credits 3
Hours 30
Period 1^ semestre
Language ENG
U-gov code MT10-11-11 MT314

Prerequisites
elementary algebra and analytic geometry.

Development of the course
The course aims at providing students with adequate knowledge of medical statistics, so that statistical methodology results a research tool and individual updating. The contents of the course concern (i) the methods to organize and synthesize a collection of data from a process of care and dental hygiene, and (ii) the methodology needed to put clinical questions and attain evidences of efficacy of dental hygiene treatments .

Learning outcomes
The student at the end of the course must have acquired adequate knowledge of the basic methodologies of Medical Statistics in order to - know how to organize and analyze data related to biomedical phenomena including the use of statistical software; - able to read and interpret the results of statistical analyzes in the medical literature; - be able to perform simple data processing and obtain a correct interpretation of the results of clinical trials.

Program
Descriptive statistics. Summary of data and their representation by means of tables and frequency distributions. Graphical representation of data. Elements of probability theory. Meaning of event and probability. Fundamental principles of probability theory. The Bayes’ theorem and its applications in biomedical field. Random variables and their trasformations. The binomial variable. The role of the normal distribution in statistics. Inferential statistics. Population, sample and sampling distributions. Estimation of population parameters: point and interval estimations. Properties of estimators. Confidence interval for the mean of a population. Confidence interval for the variance of a population. Confidence interval for the difference between two means. Confidence interval for the difference between proportions. Contingency tables. Principles of simple linear regression. All topics were used to analyze the database, even with the aid of the statistical program R.

Development of the examination
practical test on the computer.

Recommended reading
a) TITLE: Statistica Medica b) AUTHOR: Martin Bland c) PUBLISHER: Apogeo Sitology on data processing environment R. The official website of R where to find manuals and other information is "The R Project for Statistical Computing" whose internet address is: http://www.r-project.org/. To download freely from the Internet the statistical program R: http://cran.stat.unipd.it/. More information can be retrieved using the search engine GOOGLE using the keywords: r statistics.

Courses

• Igiene Dentale