What is Horvitz-Thompson estimator of population total? Give the Yates-Grundy expression of its variance and obtain...

What is Horvitz-Thompson estimator of population total? Give the Yates-Grundy expression of its variance and obtain an unbiased estimator of this variance. Show that this estimator of the variance will never be negative under Midzuno-Sen sampling scheme.

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orchestra answered 1 year ago

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