An X-Bar Control Chart Was Examined and No Data Points

question 48

Multiple Choice

An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?

• A) No, there could be a pattern to the points.
• B) No, the R-chart must be checked.
• C) No, the number of samples must be known.
• D) Yes
• E) Both A and B

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Definitions:

Ganzfeld Procedure

An experimental technique used in parapsychology to test individuals for extrasensory perception (ESP) by creating a uniform sensory field to increase signal detection.

Extrasensory Perception

Refers to the claimed ability to gain information through means other than the known human senses.

Homeopathic

A system of alternative medicine based on the principle that like cures like, using highly diluted substances that cause, in healthy people, symptoms similar to those being treated.

Nonreplicable

Characteristic of a study or finding that cannot be consistently reproduced or achieved in subsequent tests or experiments.