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Sociology Short Question | Gkseries

Q.

The precondition to qualify a sample as a random one is :

[A] The researcher must pretest the subject
[B] The researcher must conduct pilot study
[C] At least 100 respondents must be selected from a given population
[D] Every member of the population must have an equal chance of being selected
Answer & Explanation

Answer: At least 100 respondents must be selected from a given population

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