• It is easy to see that the variance of any of the variables is high at the beginning of the project and low at the end when completion is in sight.

    容易看到项目最开始所有变量方差最后项目完成降低

    www.ibm.com

  • It is easy to see that the variance of any of the variables is high at the beginning of the project and low at the end when completion is in sight.

    容易看到项目最开始所有变量方差最后项目完成降低

    www.ibm.com

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