六西格玛管理简介(英文版)(ppt 18页)

六西格玛管理简介内容提要：
Graphical tool to show the relationship between process capability, control & technology.    The error made if difference is claimed, when the reality is sameness (e.g. rejecting good parts; Producer’s Risk).    The risk (probability) of making an a error (frequently set at 5%).    How close measurements are, on average, to their target.    An opportunity or defect that is being measured (a defect we are looking for).    The group of people who have a stake in the Six Sigma project, including those who must keep it in control.    See Ha        Analysis of Variance.  A statistical method of quantifying contributions of discrete levels of “X”s to the variation in a “Y” response.
A Minitab selection for Gauge R&R that includes operator-part interaction in the calculation of variation contributions.  The most accurate method for Gauge R&R.
Removable variation in a process; variation due to outside influences.  See ‘Black Noise’.
Statistical Process Control (SPC) chart for discrete data.  Includes p, np, c and u charts.    Data that can be described by levels, integer values or categories only.  See Discrete data.
The sum of all data in a sample divided by the number of data points in the sample.  See Mean.
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