PracticeQuiz content is free on an ad-supported model.
Unfortunately, we can't support ad blocker usage because of the impact on our servers. If you'd like to continue, please disable your ad blocker and reload page.
Category - Six Sigma Green Belt
Quality control at a software production assembly line chooses samples for study from every 25 units produced within the day shift. At the end of a single production cycle, they are expected to analyze 200 units for defects. What is this type of sampling called?
Answer: A - Probability sampling is a sampling methodology whereby an item is chosen based on a known probability.
Key Takeaway: Probability sampling means that participants or items in a sample are chosen out of the population according to some known probability. These probabilities can range from simple to more complicated ways to choose sample participants or items out of a population. In this example, a product has a 1/25 chance of being chosen for quality control.