Senior Statistician

Senior Statistician (高级统计师, China)

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A macroeconomic monitoring team tracks N = 20 leading economic indicators. In a given month, 14 indicators show upward expansion, 2 indicators remain unchanged, and 4 indicators contract. What is the Diffusion Index (DI / 扩散指数), and what does its position relative to the critical 50% threshold signify?

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