In a poll of an SRS of residents in a local community, respondents are asked to

Question

In a poll of an SRS of residents in a local community, respondents are asked to indicate the level of their concern about the dangers of dihydrogen monoxide, a substance that is a major component of acid rain and in its gaseous state can cause severe burns. ( Ask a friend who is majoring in chemistry about this substance or search the Internet for information about it.) Polling an SRS will always result in data with no practical meaning. "Dihydrogen monoxide" is H_2O. Any concern about the dangers posed by it most likely means that the respondent did not know what it was and was embarrassed to admit it. There is nothing wrong with this scenario. Dihydrogen monoxide is a dangerous substance, and polling people about it very likely to produce very negative reactions.

Explanation / Answer

polling an SRS will always result in data with no practical meaning

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