Hello, PERT standard deviation nets the same answer as PERT Deviation all activities. What am I missing?
Having both the square root and to the power of 2 in the PERT Deviation all activities cancel each other out.
Pessimistic = 10
Optimistic = 8
Standard deviation - (10-/6 = .33
PERT Deviation all activities - square root (10-/6 power of 2 = .33
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