Name the sampling method by selecting the appropriate number: 1. Systematic, 2.

Question

Name the sampling method by selecting the appropriate number:

1. Systematic,    2. Stratified,    3. Stratified Proportional,    4. Cluster,     5. Convenient,     6. Quota,   7. Simple Random)

A political party wants to know the reaction of voters to a debate between the candidates. The day after the debate, the party’s polling staff calls 1,200 randomly selected phone numbers. If a registered voter answers the phone or is available to come to the phone, that registered voter is asked whom he or she intends to vote for and whether the debate changed his or her opinion of the candidates.

provide supporting comments for your answer

Explanation / Answer

Option 7: Simple Random Sampling.

This is because we selected a sample of 1200 voters randomly from a population of voters and asked them some polling related questions over the phone. Selection of a random sample ensures that every unit in the population has an equal chance of being selected in the sample.

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