The causes of variation in statistical process control are:
A) cycles, trends, seasonality, and random variations.
B) natural causes and assignable causes.
C) producer's causes and consumer's causes.
D) mean and range.
E) Type I and Type II.

Respuesta :

Answer:

The correct answer is letter "B": natural causes and assignable causes.

Explanation:

Statistical Process Control or SPC is a quality-control production process for outputs that can be measured. The approach aims to improve the stability and capability of the production process by reducing variables. Those variables could be natural -arise by common causes, and assignable -arise because of special causes.

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