Define "X" in respect to a SIPOC analysis. Answer: Xs are the inputs and process steps that cause variation in the outputs of a process (CTQs).

The correct answer is A. Xs are the inputs and process steps that cause variation in the outputs of a process (CTQs). Option A is correct because in Six Sigma and process improvement methodology, Xs represent the input variables and process steps that drive variation in outputs - the root causes that practitioners must identify and control to improve quality. In a SIPOC diagram (Suppliers…

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Question

Define "X" in respect to a SIPOC analysis. Answer:

Xs are the inputs and process steps that cause variation in the outputs of a process (CTQs).

Options

AXs are the inputs and process steps that cause variation in the outputs of a process (CTQs).

How the community answered

(31 responses)

A
100% (31)

Explanation

Option A is correct because in Six Sigma and process improvement methodology, Xs represent the input variables and process steps that drive variation in outputs - the root causes that practitioners must identify and control to improve quality. In a SIPOC diagram (Suppliers, Inputs, Process, Outputs, Customers), the Xs map primarily to the Inputs and Process columns, while the outputs are the Ys (also called CTQs - Critical to Quality characteristics).

Since only one choice is provided here, there are no distractors to evaluate - this question tests recall of a core definition.

Memory tip: Think of the formula Y = f(X) - your output (Y) is a function of your inputs and process steps (Xs). If your CTQ (Y) is defective, you fix the Xs. The X comes before Y in the alphabet, just as causes come before effects.

Topics

#SIPOC inputs#process variables#X factors#cause and effect

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