MR Operations and Process Management 3

Question 1

Which statistical tool is most appropriate for determining whether two variables have a linear relationship?

Accepted Answer

Scatter diagram

Answer

Pareto chart

Answer

Histogram

Answer

Control chart

Question 2

In the context of ISO 9001, 'documented information' that must be retained as evidence of results is called:

Accepted Answer

A record

Answer

A procedure

Answer

A work instruction

Answer

A policy

Question 3

A management representative is reviewing process KPIs and notes cycle time has increased 15% over three months. The FIRST step should be to:

Accepted Answer

Conduct a root cause analysis to understand why cycle time increased

Answer

Immediately implement a corrective action plan

Answer

Revise the KPI target upward to reflect current performance

Answer

Reassign process owners to improve accountability

Question 4

Takt time in lean manufacturing is defined as:

Accepted Answer

Available production time divided by customer demand rate

Answer

The time required to complete one production cycle at full speed

Answer

The time between equipment failures

Answer

Total lead time minus processing time

Question 5

Which type of process map shows decision points and alternative paths through a process?

Accepted Answer

Flowchart

Answer

Swimlane diagram

Answer

Affinity diagram

Answer

Ishikawa diagram

Question 6

What is the key difference between common cause variation and special cause variation?

Accepted Answer

Common cause is random and inherent to the process; special cause is assignable and from an external factor

Answer

Common cause requires immediate shutdown; special cause is acceptable

Answer

Common cause is operator error; special cause is machine failure

Answer

Common cause occurs rarely; special cause occurs constantly

Question 7

The '5 Whys' technique is primarily used to:

Accepted Answer

Drill down to the root cause of a problem by repeatedly asking why

Answer

Prioritize a list of quality problems by frequency

Answer

Validate measurement system accuracy

Answer

Identify customer requirements