Parametric cost estimating involvesA.using the WBS to do bottom up estimatesB.defining the perimeters of the life-cycleC.calculating the individual estimates of work packagesD.using a statistical model to estimate costsE.A and C
题目
Parametric cost estimating involves
A.using the WBS to do bottom up estimates
B.defining the perimeters of the life-cycle
C.calculating the individual estimates of work packages
D.using a statistical model to estimate costs
E.A and C