Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...
When I first encountered this term, I ended it with, "It's just choosing at random, I know that." I remember feeling a bit ...
This study proposes a novel variance estimator \({\widehat{S}}_{Y,K}^{2}\) under two-phase sampling, utilizing one auxiliary variable and one binary attribute to enhance estimation efficiency.
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