special variation2 #13 데이터 만들기 Part 1 - Control Chart In This Chapter ▶ Creating and using a control chart ▶ Looking at different ways to display data Recognizing the importance of Control Charts Real Story] Walter Shewhart, who felt that business wasted too much time confusing the types of variation and taking inappropriate action, developed control charts in the 1920s. Shewhart envisaged the control chart as a way to simplify identification of de.. 2021. 4. 8. #12 데이터 제공하기 - Presenting Your Data In This Chapter ▶ Investigating variation ▶ Understanding natural deviation and special variation ▶ Using run chart This chapter introduces the importance of understanding and identifying variation. If you can identify what type of variation you're seeing in your process results, you can determine whether action is needed or not, and avoid taking inappropriate action and wasting effort. Control .. 2021. 4. 4. 이전 1 다음
