Example: stock market
Search results with tag "Special cause"
Statistical Process Control, Part 7: Variables Control Charts
catalog.extension.oregonstate.edu(also called random or common cause) • Variability that is due to some assignable cause (also called special cause) We discuss these categories in more detail below. For now, know that the pri-mary objective of control charts is to answer this question: Is the variability within
Tools and
d1wl9nui6miy8.cloudfront.netdegree of normal variation (or common cause variation); that is to say, most processes do not achieve target performance all the time. Control charts provide a mechanism for establishing a statistically objective range of acceptable variation around the target performance, thereby enabling attention to be focused on special cause