Question: Suppose a stratified random sample is taken with two observations per stratum. Show that if Then First note that Then express á¹¼BRR (str) directly using

Suppose a stratified random sample is taken with two observations per stratum. Show that if
Suppose a stratified random sample is taken with two observations

Then

Suppose a stratified random sample is taken with two observations

First note that

Suppose a stratified random sample is taken with two observations

Then express á¹¼BRR (str) directly using yh1 and yh2.

VBRRst)str

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