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Run3 Weighted Mean using SUMPRODUCT

Skill cxcscmu/SkillLearnBench/skills/b3-teacher-feedback-gemini-3.1-flash-lite-preview/weighted-gdp-calculation/run3_Weighted-Mean-using-SUMPRODUCT

Calculate the weighted mean by multiplying Net Exports % by the corresponding GDP values and dividing by the total GDP.From its SKILL.md

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npx -y skills add cxcscmu/SkillLearnBench --skill run3_Weighted-Mean-using-SUMPRODUCT

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SKILL.md

0.8 KB, 152 tokens by cl100k_base, as published. Nobody here has run it

  1. Define the weighted mean formula: =ROUND(SUMPRODUCT(NetExportsRange, GDPRange) / SUM(GDPRange), 1).
  2. Ensure NetExportsRange and GDPRange have the exact same dimensions and orientation corresponding to the GCC countries for the given year.
  3. Verify that the calculation multiplies by 100 if the source data is in decimal format (e.g., 0.123) to ensure the final output reflects the 12.3 requirement.
  4. If the source data is already in percentage format (e.g., 12.3), simply use the formula above without multiplying by 100, ensuring the final ROUND(..., 1) satisfies the precision requirement.

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