Based on the Error in Sampling in Political Polls That

question 115

Multiple Choice

Based on the error in sampling in political polls that was described in your text, how would you recommend obtaining a representative sample for a poll (survey) about political candidates?

• A) Conduct phone surveys using home phone numbers.
• B) Poll people at the local office that provides food stamps and other forms of assistance.
• C) Give the poll face-to-face on college campuses nationwide.
• D) Give the poll face-to-face at an average supermarket or post office.

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Definitions:

Power Analysis

A statistical method used to determine the smallest sample size needed to detect an effect of a given size with a certain degree of confidence.

Response Category

Preset answers or categories provided for a question in surveys or questionnaires, guiding respondents in their answers.

Probabilistic Generalization

The process of drawing broad conclusions based on the likelihood or probability derived from specific instances.