A machine was not properly set-up/calibrated which caused a wide variation of quality of the products it produced. This type of variation is an example of .

Hi you haven't provided the options to the question so I will just give the answer in my own words and you can check with the options.

Answer is ASSIGNABLE VARIATION.

Explanation:

Variation is a lack of consistency. It can introduce waste and errors into a process, for example, a manufacturing process.

There are two sources of variation which are:

1. Natural variations: are random variations that are expected and are a part of almost every production process which results from a number of chance causes.

2. Assignable variations: are trend factors that can be traced to a specific reason, such as machine tear, fatigued workers or untrained workers, flawed principles, equipment that is not properly adjusted or calibrated, or raw material problems.

According to the question, a machine was not properly set-up/calibrated which caused a wide variation of quality of the products it produced. Since the cause (improper setup/calibration) can be traced to a specific reason, therefore, the type of variation is an example of ASSIGNABLE VARIATIONS.

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