Which of the Following Is/are Assumption(s)of Process Control

question 32

Multiple Choice

Which of the following is/are assumption(s) of process control?

• A) Random variability cannot be eliminated unless the process is redesigned.
• B) Common causes represent random variability.
• C) Production processes are not usually found in a state of control.
• D) All of the above.

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Variability

The extent to which data points in a statistical distribution or data set differ from each other and from the overall mean of the set.

Index

A statistical measure or indicator that represents the variation or level of a specific phenomenon, often used in economics and finance.

Correlation Coefficient

A statistical measure that calculates the degree to which two variables move with each other, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).