单项选择题 （）involves using mathematical techniques to forecast future outcomes based onhistorical results.

单项选择题 Performing（）involves monitoring specific project results to determine if they comply with relevant quality standards and identifying ways to eliminate causes of unsatisfactory results.

单项选择题 The project（）is a key input to quality planning since it documents major project deliverables, the project objectives that serve to define important stakeholder requirements,thresholds, and acceptance criteria.