Can you please tell me which is the proper way to calculate the 3 month average CPI for a program? Thanks!
EACs can be developed by any means possible as long as it can be supported or justified by the factors and assumptions used to develop that EAC. DAU has used wInsight to teach EVM classes for many years and the image below is an excerpt from a wInsight document that provides formulas for all its calculations. Albeit a bit dated, the formulas shown at remained the same.
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NOTE: I will send the formulat separaeluy. Stay tuned.