Question: Explain how the point estimate for the total population is calculated using stratified sampling. Calculate the point estimates for mean-per-unit, difference, and ratio estimation from

Explain how the point estimate for the total population is calculated using stratified sampling. Calculate the point estimates for mean-per-unit, difference, and ratio estimation from the following information:

Recorded Recorded Audited total total total Population Sample population sample sample Stratum

Recorded Recorded Audited total total total Population Sample population sample sample Stratum size size value value value 11 400 50 1,000,000 130,000 128,000 2 600 100 500,000 85,000 84,000

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