Which of the following is a variant of the sample survey method?

Test Marketing

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Experts' Opinion Poll

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Delphi Technique

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All of above

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Solution

The correct option is D All of above
All three options are methods of collecting samples for a survey.

The test market method: It conducts live experiments (surveys)with random subjects to stimulate the actual market mix so as to judge the actual reactions from the customers about the product.

The Experts Opinion Poll: This method constructs a sample of experts on the matter of the survey. Thus the members of the sample space are limited to experts on the subject matter.

The Delphi Technique: The sample space again consists of experts who answer a questionnaire in two rounds.

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Code:

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