Lecture 6 introduces the concepts of confidence intervals for the most important population parameters: population mean, population proportion and population variance Timeline: 00:00 Introduction and repetition 06:18 Variance of estimator 16:07 Efficiency of estimator 24:07 Confidence interval definition 36:27 Small sample confidence interval for population mean 55:35 Large sample confidence interval for population mean 1:11:03 Large sample confidence interval for population proportion 1:19:22 Confidence interval for population variance 1:22:13 Overview of two-sided confidence intervals 1:22:40 One-sided confidence intervals 1:24:57 Conclusion The course “Mathematical Statistics“ for the 2nd year bachelors in Economics Taught at BRICS institute, Irkutsk National Research Technical University, Spring semester 2022
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