PMI Quality Planning & Control Charts 2

Question 1

On a control chart, a 'run' of 7 consecutive points on one side of the mean indicates what?

Accepted Answer

A special cause requiring investigation

Answer

Seven consecutive points on one side of the mean (Nelson Rule 2) signals a non-random pattern indicating a special cause of variation.

Question 2

Which quality planning tool translates customer needs into specific technical requirements using a matrix diagram?

Accepted Answer

Quality Function Deployment (QFD)

Answer

Quality Function Deployment (QFD) uses the 'House of Quality' matrix to systematically translate voice-of-customer needs into technical design requirements.

Question 3

A p-chart is used to monitor which type of quality characteristic?

Accepted Answer

The proportion of defective units in a sample

Answer

A p-chart (proportion chart) tracks the fraction or proportion of nonconforming (defective) items in successive samples of varying or fixed size.

Question 4

In the context of quality planning, what is the primary purpose of a process flowchart?

Accepted Answer

To visualize process steps and identify potential quality failure points

Answer

Process flowcharts map the sequence of process steps, enabling teams to identify where defects might occur and target quality control efforts accordingly.

Question 5

What does the Lower Control Limit (LCL) on a control chart represent?

Accepted Answer

Three standard deviations below the process mean

Answer

The LCL is calculated as the process mean minus three standard deviations (3σ), below which a point signals a statistically unusual event.

(PMI) Project Management Institute Certified Practice Test

(PMI) Project Management Institute Certified Practice Test

PMI Quality Planning & Control Charts 2