Question: *replacement sampling 3.16 Suppose probability samples of size n = 2 are selected from {1, 2, 3, 4} with probabili- ties 81 = .4, 82

*replacement sampling

3.16 Suppose probability samples of size n = 2 are selected from {1, 2, 3, 4} with probabili- ties 81 = .4, 82 = .4, 83 = .1, and 84 = .1. Demonstrate that i" is still an unbiased esti- mator of the population total, but its variance is 81.25

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