PK0-003 · Question #361
The formula for Schedule Performance Index (SPI) is:
The correct answer is B. SPI = EV/PV. The Schedule Performance Index (SPI) is a key project management metric that measures the efficiency of schedule progress relative to the plan.
Question
The formula for Schedule Performance Index (SPI) is:
Options
- ASPI = SV/PV
- BSPI = EV/PV
- CSPI = EV/SV
- DSPI = PV/EV
How the community answered
(26 responses)- A4% (1)
- B88% (23)
- C8% (2)
Why each option
The Schedule Performance Index (SPI) is a key project management metric that measures the efficiency of schedule progress relative to the plan.
SPI is not calculated as Schedule Variance (SV) divided by Planned Value (PV; SV is a different schedule performance metric.
The formula for SPI is Earned Value (EV) divided by Planned Value (PV). EV represents the value of work completed to date, while PV is the value of work planned to be completed to date, making EV/PV the correct measure of schedule efficiency.
SPI is not calculated as Earned Value (EV) divided by Schedule Variance (SV); SV is derived from EV and PV.
SPI is not calculated as Planned Value (PV) divided by Earned Value (EV); the numerator should be EV to reflect work performed.
Concept tested: Project schedule performance index calculation
Source: https://www.projectmanager.com/blog/what-is-schedule-performance-index-spi
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