Sam is the project manager for his organization. His project is not doing well on project schedule performance, and management wants him to predict how the project schedule and cost will end…

Sam is the project manager for his organization. His project is not doing well on project schedule performance, and management wants him to predict how the project schedule and cost will end. Management has asked Sam to report and forecast his project's performance based on the Delphi Method, scenario building, technology forecasting, and to forecast by analogy. What forecasting method is management asking Sam to use?