What does the passage mainly discuss? [br] Which of the following terms is def

游客2025-02-09 38

问题 What does the passage mainly discuss? [br] Which of the following terms is defined in the passage?

选项 A、Survey (line 1)
B、Public opinion (line 8)
C、Representative sampling (line 13)
D、Response rate (line 22)

答案 A

解析

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