Which of the Following Is False Regarding Statistical Sampling for Control

question 22

Multiple Choice

Which of the following is false regarding statistical sampling for control purposes?

• A)The more samples are taken,the higher the likelihood of accidentally selecting a sample with excessive values when the process actually is still under control
• B)Deciding what indicators are high or low enough to be considered out of control is the simplest of the problems facing operation managers
• C)Measuring upper and lower control limits are the basis for management by exception
• D)Using high thresholds for control increases the risk of not detecting processes that are getting out of control
• E)All of the above are true

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Definitions:

Nutrients

Substances obtained from food that are vital for growth, maintenance of the body, and energy supply.

Estuaries

Coastal water bodies where freshwater from rivers and streams mixes with saltwater from the ocean, creating an ecologically rich environment.

Salinity

The concentration of dissolved salts in water, affecting the density, biodiversity, and chemical behavior of aquatic environments.

Fluctuation

A variation or change in a state, quantity, or level, often without a set pattern or rhythm.