A Program Manager is monitoring the on-time delivery of multiple projects within the program. They notice a variation in delivery times and want to determine if the variation is due to common causes or special causes. Which statistical tool should the Program Manager use to analyze this variation?
Control Chart is used to distinguish between common cause variations, which are inherent to the process, and special cause variations, which arise from external factors. This helps in deciding whether to make process improvements or address specific issues.
Other options i.e. Pareto Charts (ranked histogram following 80/20 rule), Scatter Diagrams (quality management using 2 variables), and Histograms (2 dimensional bar charts) provide different insights but do not specifically identify the type of variation.
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PgMP
Program Life Cycle Management
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