Six Sigma Green Belt Certification Practice Exam 2025 - Free Six Sigma Practice Questions and Study Guide

The role that encompasses "tutoring black belts and reviewing projects assigned to them" is indeed the Master Black Belt. This role is pivotal in a Six Sigma framework, as individuals in this position possess a high level of expertise and are responsible for mentoring Black Belts, facilitating training, and ensuring that Six Sigma methodologies are correctly applied across various projects. Master Black Belts have the technical skills necessary to guide teams through complex projects and help to elevate the overall performance of those involved.

This role distinguishes itself from others by focusing on developing the capabilities of Black Belts, which is essential for maintaining the quality and effectiveness of Six Sigma initiatives within an organization. The Master Black Belt is also involved in strategic planning and ensuring alignment with organizational goals, making their function integral to the success of Six Sigma projects.

Other roles, such as Champions, Executive sponsors, and Green Belts, have different primary responsibilities that do not include the specific function of tutoring and project review at the depth required for Black Belts. Champions and Executive sponsors typically focus on providing support and allocating resources, while Green Belts are more involved in executing projects under the guidance of Black Belts. Hence, the Master Black Belt stands out as the correct answer for this question.