pmp tool input output

Công cụ quản lý dự án Variance & Trend Analysis trong PMP là gì?


Công cụ này sử dụng trong quy trình:  11.6

Many control processes employ variance analysis to compare the planned results to the actual results. For the purposes of controlling risks, trends in the project’s execution should be reviewed using performance information. Earned value analysis and other methods of project variance and trend analysis may be used for monitoring overall project performance. Outcomes from these analyses may forecast potential deviation of the project at completion from cost and schedule targets. Deviation from the baseline plan may indicate the potential impact of threats or opportunities.




  • Variance is the measure of how far apart things are (how much the data vary from one another). Eg: the distribution of data points, small variance indicates the data tend to be close to the mean (expected value)
  • Trend analysis provides insights into the future which is more important for problem detection. Though measurements are lagging, they will provide insights should trends be spotted
  • Variance and trend analysis is important for controlling (problem detection) and continuous improvement. Eg: the process to ensure quality


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