A correspondent for a news program appears evenings on television throughout the

Question

A correspondent for a news program appears evenings on television throughout the country. This correspondent asked viewers to call in with their answer to this question: "If you had it to do all over again, would you vote for the president?" Of the more than 10.000 viewers who responded. 70% said no. What can be concluded about the viewers? This is a legitimate sample, randomly drawn from the correspondent's viewers and of sufficient size to conclude that most of the viewers would have second thoughts about voting for the president. No meaningful conclusion is possible without knowing something more about the characteristics of the correspondent's viewers. No meaningful conclusion is possible due to voluntary response bias. The survey would be more meaningful if the correspondent had used a control group.

Explanation / Answer

Here,

Viewers had the choice to call or not call so this is a voluntary response sample and hence, no meaningful conclusion can be drawn from this.

Option 3 is correct.

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