ASQ Certified Quality Technician Questions 5

Question 1

What is the difference between 'accuracy' and 'precision' in measurement?

Accepted Answer

Accuracy is closeness to the true value; precision is repeatability of results

Answer

Accuracy is repeatability; precision is closeness to the true value

Answer

Both terms mean the same thing in metrology

Answer

Accuracy applies to attributes; precision applies to variables

Question 2

Which quality tool is used to separate a population into homogeneous subgroups to reveal patterns that would otherwise be hidden?

Accepted Answer

Stratification

Answer

Histogram

Answer

Pareto chart

Answer

Control chart

Question 3

A supplier delivers a lot of 500 parts. Using ANSI/ASQ Z1.4, the inspector uses a normal inspection level II. This level is:

Accepted Answer

The standard default inspection level for most situations

Answer

Used only for destructive testing

Answer

Reserved for critical safety characteristics only

Answer

Applied only when the supplier has a poor quality history

Question 4

The 'hidden factory' concept in quality refers to:

Accepted Answer

The rework, scrap, and inspection activities that absorb resources without adding value

Answer

Outsourced production not captured in the ERP system

Answer

Unofficial process shortcuts used by operators

Answer

A shadow production line used for prototype testing

Question 5

Which of the following describes a Type I error in hypothesis testing?

Accepted Answer

Rejecting the null hypothesis when it is actually true

Answer

Failing to detect a real difference when one exists

Answer

Accepting a false null hypothesis

Answer

Underestimating the population variance

Question 6

What is the primary benefit of using designed experiments (DOE) in process improvement?

Accepted Answer

Understanding the effect of multiple factors on output simultaneously and efficiently

Answer

Eliminating the need for control charts

Answer

Replacing the need for measurement system analysis

Answer

Reducing the number of process steps

Question 7

In a control plan, the column 'reaction plan' specifies:

Accepted Answer

What actions operators must take when a process goes out of control

Answer

The frequency of preventive maintenance activities

Answer

The list of approved suppliers for each component

Answer

The statistical method used to analyze process data