Test Topic Learn. Study. Pass. Apply. › Forums › Six Sigma Study Guide Forum › Test Topic This topic contains 0 replies, has 1 voice, and was last updated by Susan Marshall 7 months, 2 weeks ago. Author Posts February 2, 2017 at 7:37 pm #5057 Susan MarshallKeymaster Free Trial Green Belt Study Guide Replies viewable by members only Author Posts You must be logged in to reply to this topic.