ASQ Certified Quality Engineer (CQE) — Question 69

When trying to find all possible causes of a problem, which of the following tools would be useful?
I. Systematic troubleshooting and brainstorming.
II. Fishbone diagrams and histograms.
III. Checklists and scatter diagrams.
IV. Control charts and graphs.

Answer options

• A. I and IV only
• B. I, II and IV only
• C. II, III and IV only
• D. I, II, III and IV

Correct answer: D

Explanation

The correct answer is D because all listed tools (Systematic troubleshooting, brainstorming, Fishbone diagrams, histograms, checklists, scatter diagrams, control charts, and graphs) are effective in diagnosing problems. Options A, B, and C exclude some tools that are beneficial in the problem-solving process.