Mathematical Statistics. Lecture 7. Introduction to hypothesis testing

Lecture 7 discusses the procedure of hypotesis testing which is widely used in statistics and econometrics as a tool of statistical inference Timeline: 00:00 Introduction and repetition 06:30 Statistical hypothesis 13:14 Statistical test 28:17 Size of a critical region (significance level) 41:04 The elements of a statistical test 42:49 Small sample test about the population mean 45:49 Large sample test about the population mean 47:40 Large sample test about the population proportion 49:02 Test about the population variance 51:25 Type I and Type II errors 55:50 P-value 1:02:42 Conclusion The course “Mathematical Statistics“ for the 2nd year bachelors in Economics Taught at BRICS institute, Irkutsk National Research Technical University, Spring semester 2022