Sociology Short Question | Gkseries

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Question

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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