Telephone Poll
Radio and television stations often air controversial issues during broadcast time and ask viewers to indicate their agreement or disagreement with a given stand on the issue. A poll is conducted by asking those viewers who agree to call a certain 900 telephone number and those who disagree to call a second 900 telephone number. All respondents pay a fee for their calls.
-Please refer to Telephone Poll paragraph. What can be said about the validity of the results of such a survey? Do you need to be concerned about a margin of error in this case? Justify your conclusion.

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The Answer of Telephone Poll
Radio and television stations often air controversial issues during broadcast time and ask viewers to indicate their agreement or disagreement with a given stand on the issue. A poll is conducted by asking those viewers who agree to call a certain 900 telephone number and those who disagree to call a second 900 telephone number. All respondents pay a fee for their calls.
-Please refer to Telephone Poll paragraph. What can be said about the validity of the results of such a survey? Do you need to be concerned about a margin of error in this case? Justify your conclusion.

Telephone Poll Radio and Television Stations Often Air Controversial Issues During Broadcast