According to the information provided, it can be inferred that this approach is the most scientific because a random telephone survey will reach the largest number of people to guarantee a large enough sample size (option C)
A survey is a term to refer to an information gathering method that allows the researcher to collect data using a previously designed questionnaire.
A particular characteristic of the surveys is that they do not modify the environment or the phenomenon where the information is collected. In addition, the information collected can be delivered in the following ways:
According to the above, this survey will allow the Senator to know from a sample of people with different characteristics if they are for or against his proposal.
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