Describe the Three Criteria Used to Determine If a Control

question 46

Essay

Describe the three criteria used to determine if a control chart indicates a process which is not statistically stable.

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Definitions:

Interquartile Range

A measure of statistical variability, defined as the difference between the third and first quartiles of a data set, indicating the spread of the middle 50% of the data.

Test Scores

The numerical outcomes or results obtained from administering educational or psychological tests to evaluate skills, knowledge, or abilities.

Quartiles

Values that divide a set of data into four equal parts, each representing a 25% interval.

Distribution

The way in which something is shared or spread out over a range or area.