Question

The mayors office wants to know how people in the city feel about the condition of the city's roads. They place an announcement in the newspaper asking residents to email their opinions to the mayor's office. Five hundred people send e als and about 84% of the responses indicate displeasure with the condition of the city's roads A) This is a simple random sample. It gives very accurate results B) This is a simple random sample. The resuits are not biased, but the sample is so small that variation will be high s a census because all city residents had a chance to provide their opinions. Itgives very accurate results. C)This is a voluntary response sample. It will almost certainly overestimate the level of displeasure the city's residents. D) This is a voluntary response sample. It wil almost certainly underestimate the level of displeasure among sample. It will almost certainly underestimate the level of displeasure among the city's residents

Answer 1

D) This is a voluntary response sample. It will almost certainly overestimate the level of displeasure among the city's residents.

The sample is voluntary response because the residents themselves chose whether or not to respond to the announcement in the newspaper. This type of sampling is often biased because those who choose to respond may not be representative of the entire population. In this case, those who are particularly unhappy with the condition of the city's roads may be more likely to respond, while those who are satisfied with the roads may not feel the need to respond. Therefore, the sample is likely to overestimate the level of displeasure among the city's residents.

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