Tecnologia, programação e muito Visual FoxPro.

quarta-feira, 12 de outubro de 2011

]] XL-mania [[ Weighted Average per Jenis = Kombinasi SUMPRODUCT dan SUMIF ?

 

Dear para XL-mania...

Mohon bantuan bagaimana mencari nilai Weighted Average per-group/jenis/kategori.
Perkiraan saya sih gabungan antara SumProduct dan SumIf.
Formula dasarnya sih bisa, tapi kalau datanya sudah hampir ribuan ya kerja manual namanya.

Spreadsheet terlampir.

Trims,
Daroji

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