Explanation/Reference:
Explanation:
The schedule performance index shows how well the project is performing on schedule. It is found by dividing the earned value by the planned value. Schedule variance (SV) is a measure of schedule performance on a project. The variance notifies that the schedule is ahead or behind what was planned for this period in time. The schedule variance is calculated based on the following formula: SV = Earned Value (EV) - Planned Value (PV) If the resulting schedule is negative, it indicates that the project is behind schedule. A value greater than 0 shows that the project is ahead of the planned schedule. A value of 0 indicates that the project is right on target.
Incorrect Answers:
A: EV-PV is the project's schedule variance.
B: EV/AC is the project's cost performance index.
D: EV-AC is the project's cost variance.