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A population of size 1120 is divided into 3 strata of sizes 320, 440, 360 having variances 9, 4, 36
respectively. To draw a stratified random sample of size 100, under optimal allocation the sample
sizes to be drawn from the stratas in the order are
A) 16, 10, 74 8) 28, 40, 32 C) 24, 22,54 D) 20, 50, 30
In a Gauss Markov model (४, XB, 62....
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