In a Fishbone Diagram the 6M's stand for Methods, Measurements, Machine, Man, Mother Nature and ____________ .

Question

Options

• AManagement
• BMerger
• CMaterials
• DMedical

• A
  5% (2)
• B
  16% (7)
• C
  72% (31)
• D
  7% (3)

Explanation

Materials completes the classic 6M framework used in the Fishbone (Ishikawa) Diagram, a quality management tool for identifying root causes of a problem. The six categories - Methods, Measurements, Machine, Man, Mother Nature, and Materials - represent the major source domains where defects or failures originate, such as raw inputs, components, or supplies.

Why the distractors are wrong:

• A. Management - while management can be a factor in some problem-solving frameworks, it is not one of the standard 6 M's (and "Man" already covers human factors).
• B. Merger - this is a business/finance term with no connection to root cause analysis or quality control.
• D. Medical - entirely unrelated to the manufacturing and process-quality context in which the 6M framework was developed.

Memory tip: Think of the 6 M's as everything that goes into a process - the people (Man), tools (Machine), procedures (Methods), checks (Measurements), environment (Mother Nature), and the stuff you use (Materials). If you can picture a factory floor, "Materials" is the most obvious missing piece once you've listed the other five.

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