As people entered a certain meeting, n persons were selected at random, and each was asked either to name one of two political candidates she favored in a forthcoming election or to say “undecided” if she had no real preference. During the meeting, the people heard a speech on behalf of one of the candidates. After the meeting, each of the same n persons was again asked to express her opinion. Describe a method for evaluating the effectiveness of the speaker. |
New search. (Also 1294 free access solutions) |