Mathematics, 27.02.2020 04:10 adriana145
A population consists of two strata, h and L, of sizes 100,000and 500,000 and standard deviations 20 and 12, respectively. A Stratified sample of size 100 is to be taken.
a) Find the optimal allocation for estimating the populationmean
b) Find the optimal allocation for estimating the differenceof the means of the strata,μH-μL.
Answers: 3
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A population consists of two strata, h and L, of sizes 100,000and 500,000 and standard deviations 20...
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