The Improvement of PERT Squares Estimator is BLUE
Wen Ping · Shuxue de shijian yu renshi · 2007
PERT is an important technique of project management.The existing error of PERT causes the bias to project management.This paper improves the formula of expected time and variance of activity time,so its effectiveness and actuality are advanced.The paper also indicates that the original formula of expected time and variance of PERT is a special example.