The Upper and Lower Control Limits Are Positioned So That

question 22

True/False

The upper and lower control limits are positioned so that when the process is in control the probability of an individual value of the output variable falling outside the control limits is very large.

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Definitions:

Test-Retest

A method of assessing the reliability of a test by administering the same test to the same subjects at two different points in time and comparing the scores.

Internal Consistency

A measure of the reliability of a test or scale, assessed by the degree of interrelation among items within the test.

Internal Consistency

A measure of the reliability of a psychological test or assessment, indicating how well the items on the test measure the same concept or construct.

Spearman-Brown

A formula used in psychometrics to estimate the reliability of a test, particularly in relation to the length of the test.