A researcher divides his population into certain groups and fixes the size of the sample from each group. It is called

A researcher divides his population into certain groups and fixes the size of the sample from each group. It is called

Q. A researcher divides his population into certain groups and fixes the size of the sample from each group. It is called

  1. Stratified sample
  2. Quota sample
  3. Cluster sample
  4. All of the above

Answer: Quota sample

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