ASQ Certified Quality Engineer (CQE) — Question 70

Typically Pareto diagrams are used for which of the following reasons?
I. To display the significant few categories.
II. To compliment attribute data charting.
III. To eliminate insignificant categories.
IV. To focus attention in priority order.

Answer options

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

Correct answer: D

Explanation

The correct answer is D because Pareto diagrams are designed to display the significant categories (I), complement attribute data charting (II), eliminate insignificant categories (III), and prioritize focus in an ordered manner (IV). Options A, B, and C omit at least one of these important purposes, making them incomplete.