Question: Poststratify the sample in data file agsrsdat into the four census regions given in Example 32 Estimate the population mean yU using 421 and approximate

Poststratify the sample in data file agsrsdat into the four census regions given in Example 32 Estimate the population mean yU using 421 and approximate the variance using 422 How does the approximate 95 CI using poststratification compare with that from Example 210

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