Which of the following may be unnecessary in conducting Gallup Poll
A: Sampling the subjects according to different factors.
B: Regulating factors according to circumstances.
C: Interviewing as many people as possible.
D: Using laws of probability to forecast the result.
A: Sampling the subjects according to different factors.
B: Regulating factors according to circumstances.
C: Interviewing as many people as possible.
D: Using laws of probability to forecast the result.
举一反三
- Which of the following doesn’t belong to “soft factors” according to the author?
- According to Professor Lv Zhongshe, which of the following factors is the most important in the foreign experience?
- Which of the following factors is NOT mentioned as a factor accounting for the increasing popularity of solar power, according to the passage?
- Which of the following may be associated with genetic factors?
- According to research, which of the following factors is most likely to influence personality than others? A: education B: heredity C: friends D: moods