CPIM Quality and Continuous Improvement 2

Question 1

Which tool is used to graphically display the frequency distribution of defects or problems in descending order to identify the vital few causes?

Accepted Answer

Pareto chart

Answer

A Pareto chart ranks defects or causes by frequency so teams can focus on the vital few that account for most problems.

Question 2

In Six Sigma, what does DMAIC stand for?

Accepted Answer

Define, Measure, Analyze, Improve, Control

Answer

DMAIC is the Six Sigma problem-solving methodology: Define, Measure, Analyze, Improve, and Control.

Question 3

Which quality concept focuses on preventing defects at the source rather than inspecting them out after production?

Accepted Answer

Source inspection

Answer

Source inspection catches or prevents errors at the point of origin, eliminating the need to rely on downstream detection.

Question 4

A process produces output with a mean of 50 and standard deviation of 2. The specification limits are 44 to 56. What is the process capability index (Cp)?

Accepted Answer

1.0

Answer

Cp = (USL - LSL) / (6σ) = (56 - 44) / (6 × 2) = 12 / 12 = 1.0.

Question 5

What is the primary purpose of a fishbone (Ishikawa) diagram?

Accepted Answer

Identify potential root causes of a problem

Answer

A fishbone diagram structures brainstorming around cause categories (e.g., Man, Machine, Method, Material) to uncover root causes.

(CPIM) Certified in Planning and Inventory Management Practice Test

(CPIM) Certified in Planning and Inventory Management Practice Test

CPIM Quality and Continuous Improvement 2