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?
A)probability
B)non-probability
C)convenience
D)judgment

Question

Quizplus · Accepted Answer

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.

Quality Control at a Software Production Assembly Line Chooses Samples