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Data Collectionhard
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A researcher uses Ratio Estimation to estimate the population total YYY given yˉ=50,xˉ=25\bar{y} = 50, \bar{x} = 25yˉ​=50,xˉ=25, and known population mean Xˉ=30\bar{X} = 30Xˉ=30, with N=1000N = 1000N=1000. What is the estimated population total Y^R\hat{Y}_RY^R​?