1. The following 10 data points for the Schedule Performance Index (SPI) were measured for a project: 1, 1, 1, 1, 1, 1, 5, 3, 4, 2. What is the value for the centerline in the X-Chart?

   1. 3

   2. 1

   3. 2.5

   4. 2

2. What is the value for the Mean in the mR-Chart of the 10 SPI data points: 1, 1, 1, 1, 1, 1, 5, 3, 4, 2?

   1. 1

   2. 1.5

   3. 0.75

   4. 0.5

3. For the questions above, the UNPL (Upper Natural Process Limit) is 4.66. Is the project schedule execution in control?

   1. Yes.

   2. It is not possible to say.

   3. It depends on the perspective.

   4. No, because at least one WE rule is violated.

4. If one data point out of 50 process measures is above the UNPL the process ______.

   1. needs to be further investigated.

   2. is under specific conditions in control.

   3. is still in control.

   4. is not in control because one WE rule is violated.