Which of the Following Is TRUE of the Mean Flow

Multiple Choice

Which of the following is TRUE of the mean flow time?

A) It is the average of the complete-to-ship times for every job in the group.
B) It is the average of the wait-to-start and processing times for every job in the group.
C) It is the average of the release times for every job in the group.
D) It is the average of the start-to-finish times for every job in the group.
E) both a and b