Stat 350 - Lecture 15, Feb. 10
Автор: Brian Franczak
Загружено: 2021-02-10
Просмотров: 354
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0:00 Review of Last Class
3:58 Comparing the SRS Estimator for the Variance of Mu to the Stratified Estimator for the Variance of Mu under Proportional Allocation
24:54 Constructing Strata: Finding Optimal Sample Size and Approaches for Allocation
27:17 Computing optimal Sample Size for Stratified Random Sampling
35:58 Allocation fraction for finding Sample Size for each Strata when cost varies across Strata
37:31 Example of allocating based on varying cost
40:58 Allocation fraction under Optimal Allocation
50:50 Optimal Allocation Result
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