Which of the Following Statements Is TRUE

question 210

Multiple Choice

Which of the following statements is TRUE?

• A) If a process is in statistical control, assignable causes of variation should be sought.
• B) If a process is in statistical control, there are no causes of variation.
• C) If a process is out of statistical control, there are only assignable causes of variation.
• D) When assignable causes of variation exist, the process generates different distributions of the quality characteristic over time.

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Definitions:

Pearson Product-moment

A statistical coefficient expressing the correlation between two variables, measuring the strength and direction of their linear relationship.

Correlation Coefficient

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Relationship Direction

Indicates whether the relationship between variables is positive, negative, or neutral, denoting the nature of the correlation.

True Score

A theoretical concept in measurement theory referring to the actual value of a variable or the accurate reflection of a construct being measured.