Basis of Non-Random Sampling
In non-random sampling, units are selected mainly on the basis of:
- Equal probability for all units
- Lottery method
- Judgment, purpose, convenience or quota — Correct Answer
- Random number tables
Explanation:
Correct Answer Explanation
In non-random sampling, units are mainly selected on the basis of judgment, purpose, convenience or quota.
Key Points:
- In non-random sampling, all units of the population do not have an equal chance of being selected.
- The convenience or judgment of the investigator plays an important role.
- Example: Selecting households that are conveniently situated or known to the researcher.
- Types of non-random sampling: Judgment sampling, Purposive sampling, Convenience sampling, Quota sampling.
- Non-random sampling introduces bias in the results.
📚 About this Topic — CH-2: Collection of Data
This multiple choice question is from CH-2: Collection of Data, NCERT Books, Statistics for Economics. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from CH-2: Collection of Data to strengthen your preparation.