Any Point Outside the Lower Control Limit (LCL) And/or the Upper

question 57

Short Answer

Any point outside the lower control limit (LCL) and/or the upper control limit (UCL) of a 3-sigma $\bar { x }$ chart suggests that the process may have been __________ at that time, so a search for __________ should be initiated.

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Definitions:

Multiple Regression Model

A statistical technique that uses several explanatory variables to predict the outcome of a response variable.

Error Term

The error term represents the difference between observed values and the values predicted by a model in statistical analysis.

Independent Variables

Variables in an experiment or model that are manipulated or categorized to observe their effect on dependent variables.

Goodness of Fit

A statistical test used to determine how well observed data match the expected data from a model.