A researcher published this survey result: "74% of people would be willing to spend 10% more for energy from a non-polluting source". The survey was conducted by posing the question on a national radio

A researcher published this survey result: "74% of people would be willing to spend 10% more for energy from a non-polluting source". The survey was conducted by posing the question on a national radio show and asking listeners to call in. 1,200 listeners responded. What is wrong with this survey?

correlation and causality

voluntary response

nonresponse

precise numbers

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A researcher published this survey result: "74% of people would be willing to spend 10% more for energy from a non-polluting source". The survey was conducted by posin…

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