The video begins with a reminder of statistical inference, then offers a short introduction to statistical tests and the formulation of hypotheses. The t-test (Student test) is then presented and applied to the significance of the correlation coefficient between X and Y. Are the correlations and regressions calculated in the previous videos statistically significant or linked to the chance of the sample? Illustrated answer!
0:00 Presentation
0:15 Principle of statistical inference
4:31 Introduction to hypothesis testing
7:06 Principle of the Student test
15:40 Application exercise
21:49 conclusion

This course is intended for L1 and L3 students of the Sorbonne School of Management (Paris 1 Panthéon-Sorbonne University).