ASQ Certified Quality Technician Questions 3

Question 1

Which type of sampling selects every nth item from a production process?

Accepted Answer

Systematic sampling

Answer

Systematic sampling selects items at regular intervals (every nth unit) from an ordered population or production stream.

Question 2

What does the 'Operating Characteristic (OC) curve' in acceptance sampling show?

Accepted Answer

The probability of accepting a lot at various quality levels

Answer

The OC curve plots the probability of acceptance against the incoming lot quality (fraction defective), showing how well a sampling plan discriminates between good and bad lots.

Question 3

Which of the following is a measure of central tendency?

Accepted Answer

Median

Answer

The median is a measure of central tendency representing the middle value in an ordered data set.

Question 4

An X-bar and R chart shows a run of 8 consecutive points above the centerline. This is an indication of:

Accepted Answer

A special cause of variation

Answer

Eight or more consecutive points on one side of the centerline is a standard Western Electric rule violation, indicating a special (assignable) cause of variation.

Question 5

In quality cost reporting, the cost of inspecting incoming raw materials is categorized as:

Accepted Answer

Appraisal cost

Answer

Incoming inspection is an appraisal activity because it evaluates product quality rather than preventing defects or dealing with failures.

ASQ - American Society for Quality Certification Practice Test

ASQ - American Society for Quality Certification Practice Test

ASQ Certified Quality Technician Questions 3