In selecting a sample for attribute testing, systematic selection involves which of the following approaches?
A) Each item in the population having an equal chance of selection.
B) Every nth item being selected after a random start.
C) An arbitrary selection with no conscious bias.
D) Selecting all items on a day or week.

Question

Quizplus · Accepted Answer

Systematic selection involves selecting every nth item after a random start. This approach ensures that the sample is representative of the population and reduces the risk of bias. Option A (equal chance of selection) refers to simple random sampling, option C (arbitrary selection) is not a systematic approach, and option D (selecting all items on a day or week) is not a sampling technique, but rather a census.

In Selecting a Sample for Attribute Testing, Systematic Selection Involves