An advanced flowcharting method, identifying the process input variables "x" and the relationship to the process output variables "y".

Question

Options

• AStatistical Process Control
• BPareto Chart
• CScatter Diagram
• DProcess Map

• A
  6% (2)
• B
  3% (1)
• C
  3% (1)
• D
  88% (30)

Explanation

Process Map (D) is correct because it is explicitly an advanced flowcharting method that documents each step in a process while identifying the input variables (x) - materials, equipment, people, environment - and their relationship to the output variables (y), making the Y = f(X) relationship visible across the process flow.

Why the others are wrong:

• A (Statistical Process Control): SPC uses control charts to monitor process stability over time - it analyzes variation, not flowcharting inputs/outputs.
• B (Pareto Chart): A Pareto chart is a bar chart that ranks defects or causes by frequency (the 80/20 rule) - it prioritizes problems, it doesn't map process flow.
• C (Scatter Diagram): A Scatter Diagram does plot x vs. y to show correlation between two variables, but it is not a flowcharting method at all.

Memory tip: Think of a Process Map as a "treasure map" - the treasure is your output (y), and the map traces every input (x) path that leads to it. If a question mentions flowcharting + inputs + outputs, the answer is always Process Map.

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