PRC-2 · Chapter 12 · Question 18 of 55
A sampling technique that involves dividing the entire population into distinct sub-groups (based on shared traits) and drawing a random sample from each is called:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Stratified Random Sampling
Explanation
Stratified sampling ensures representation from every key sub-group (strata) by dividing the population before performing the randomized selection.
More Probability Distributions MCQs
- Q20In sampling theory, a 'statistic' is specifically used as an estimate for a population's:
- Q21Which of the following is a classic example of non-probability (non-random) sampling?
- Q22Which sampling method is most efficient when a population is extremely large and spread over a vast geographic area?
- Q23In statistical hypothesis testing, a 'Type I error' occurs when a researcher:
- Q24In statistical hypothesis testing, a 'Type II error' occurs when a researcher: