CPP Quality Management & Performance Metrics 2

Question 1

A process owner notices that defect rates fluctuate between 2% and 8% with no identifiable pattern. This is most likely an example of:

Accepted Answer

Common cause variation

Answer

Random fluctuation within a stable range without identifiable triggers indicates common cause variation inherent to the process.

Question 2

Which quality cost category includes expenses for inspecting incoming raw materials from suppliers?

Accepted Answer

Appraisal costs

Answer

Appraisal costs cover activities like inspection, testing, and auditing performed to detect defects before products reach customers.

Question 3

A CPP practitioner wants to measure how efficiently a process converts inputs to outputs. Which metric is most appropriate?

Accepted Answer

Throughput efficiency

Answer

Throughput efficiency measures value-added time as a percentage of total cycle time, directly quantifying input-to-output conversion efficiency.

Question 4

The PDCA cycle was originally developed by which quality pioneer?

Accepted Answer

Walter Shewhart

Answer

Walter Shewhart developed the PDCA (Plan-Do-Check-Act) cycle, which was later popularized by W. Edwards Deming.

Question 5

A process produces 950 acceptable units out of 1,000. The First Pass Yield (FPY) is:

Accepted Answer

95%

Answer

FPY = (Units passing without rework / Total units started) × 100 = (950/1000) × 100 = 95%.

(CPP) Certified Process Professional Practice Test