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A. CPI>1 B. SP>1 C . SPI & CPI >1 D . SPI less than1
The Correct answer is B. SPI>1
CPI and SP are a measure of performance. 1 means it is on budget and less than 1 means it is underperforming per unit of cost or time. My thinking is to be ahead of schedule is that performance is better than 1 therefor B or C.
Assuming that B is SPI, both B & C does show that project is ahead of schedule. But C also shows that Cost performance is good.
First, let me explain CPI and SPI
Thus, the question is when is project ahead of shedule, thus answer is B. SPI >1
But C. SPI & CPI >1 indicates schedule is ahead with good cost.
Option B = SPI > 1
thats when the earned value is more than the planned value..
Schedule performance index i,e SP is more then 1