The correct answer is ''<span>Polls are always accurate and non-biased''. Polls are inaccurate quite often and are sometimes used by the media to sway voters. </span>
A survey is a procedure within the designs of a descriptive investigation in which the researcher collects data through a previously designed questionnaire, without modifying the environment or the phenomenon where the information is collected to be delivered in the form of a triptych, graph or table . The data is obtained by making a set of standardized questions directed to a representative sample.
