Which of the following uses a selection interval?
A)A simple random sample
B)A systematic sample
C)A snowball sample
D)A convenience sample
E)A haphazard sample

Question

Quizplus · Accepted Answer

A selection interval is used in a systematic sample where every nth unit is selected from the population. Therefore, the correct answer is B, a systematic sample. The other options do not involve a selection interval. A simple random sample involves selecting units randomly without a predefined selection interval. A snowball sample involves selecting participants through referrals from other participants. A convenience sample involves selecting units that are easily accessible. A haphazard sample involves selecting units based on convenience or personal judgment.

Which of the Following Uses a Selection Interval