Dr. Saeed worth in interested in people's reactions to a controversial jury verdict. Dr. Saeed worth calls people at their home between the hour of 1:00 p.m. and 3:30 p.m. on a Tuesday afternoon. In this example Dr. Saeed worth has most likely selected:
Correct answer: B. a biased sample
- A. a biased population
- B. a biased sample
- C. a representative sample
- D. a statistically significant population
Explanation
Calling households only during a narrow weekday afternoon period excludes people who are working, studying, or otherwise unavailable, so the obtained sample is biased. A population is the full group of interest, not the selectively contacted respondents.
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