SamplingMCQPYQ Sep 24Question 2791 of 295
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What is the purpose of stratified random sampling?

Select Your Answer (Keyboard: A, B, C, D)
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Correct Answer

✅ Option a — To divide the population into subgroups and then randomly sample from each subgroup

All Options:

  • ATo divide the population into subgroups and then randomly sample from each subgroup
  • BTo ensure that every individual in the population has an equal chance of being selected
  • CTo select individuals based on their accessibility and convenience
  • DTo select a fixed percentage of the population without any specific criteria

Detailed Solution & Explanation

The primary purpose of stratified random sampling is to ensure representation from all key subgroups (strata) of a heterogeneous population. This is achieved by dividing the population into homogeneous, mutually exclusive subgroups (strata) and then drawing a random sample from each stratum. Therefore, Option A correctly describes this purpose. Hence, **Option A** is the correct answer.

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