Mathematics, 26.04.2021 04:40 gabbygunshows4530
A random sample of adults in a large US city responded to a series of questions about their use of public
transportation. The results of the survey showed that 520 of the 838 adults in the sample (62%) have used public
transportation in the past week. How might the results of the survey be biased in obtaining an estimate of all US
residents who use public transportation?
Because not all residents in this US city were asked to participate, the survey may underestimate usage of public
transportation.
Because the sample includes only residents in one US city, the survey may overestimate the proportion of US
adults who use public transportation.
Because those surveyed may choose not to answer, the survey may underestimate the proportion of US residents
who use public transportation.
Because the survey includes a random sample of residents in one US city, the survey should provide an accurate
estimate of the proportion of US adults who use public transportation.
Answers: 3
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A random sample of adults in a large US city responded to a series of questions about their use of p...
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