Define Statistically Stable (Or "Within Statistical Control")

question 32

Essay

Define statistically stable (or "within statistical control"). Show examples of run charts which illustrate processes which are not statistically controlled. Discuss the pattern which indicates
the process is not statistically controlled for each example.

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Definitions:

Ordinal Data

Describes a type of data which is categorized into ordered but not necessarily equally spaced categories.

Null Hypothesis

A statement used in statistics that proposes no significant difference or effect.

Test Statistic

A value calculated from sample data that is used in hypothesis testing to determine if there is evidence to reject the null hypothesis.

Inferential Statistics

A branch of statistics focused on drawing conclusions and making predictions about a population based on a sample.