Academic Year 2021/2022 - 1° Year

5 CFU - 2° Semester

**STATISTICS**Method of teaching course:

Lectures, active participation of students through questions, preparation of a questionnaire for data collection and subsequent data collection and exercises.

**STATISTICS**VALUTATION: Writing and oral exam

**STATISTICS**1.Brief introduction to epistemology of knowledge

2. Scientific use

3. Types of measurement scales: nominal, ordinal, interval and ratio scales

4. Representation of data in graphs and tables

5. Central indicators, variability indicators, asymmetry and kurtosis

6. Probability, sum and product principle

7. Probability application

8. Diagnostic tests: sensitivity, specificity, predictive values

9. Relative risk and odds ratio

10. Probability distributions: binomial, Poisson and normal

11. Standardized Gaussian curve

12. Inference: central limit theorem, sample distribution of the mean and standard error

13. Confidence interval for the mean and variance

14. Hypothesis test: null and alternative hypotheses

15. Significance tests between two groups: Student t test for dependent and independent groups

16. Contingency tables and chi square test

17. Brief description of linear correlation and regression

**STATISTICS**Daniel W Biostatistica EdiSES Napoli 1996 pp 736