Câu 34: DA0-001: Data+
A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?
Nội dung câu hỏi
A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. A stratified phone survey of 100 people that is conducted between 2:00 p.m. and 3:00 p.m.
- B. A systematic survey that is sent to 100 single-family homes in the county
- C. Surveys sent to ten randomly selected homes within 5mi (8km) of the county’s office
- D. Surveys sent to 100 randomly selected homes that are reflective of the population — đáp án hiện tại
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