Listening Quiz: Yêu Cầu Tư Vấn Thống Kê để Xác Định Cỡ Mẫu – Medium Level

1. What is the main purpose of James’s conversation with Emily?
2. What is James’s study about?
3. What confidence level does James want to use?
4. What margin of error does James say is acceptable?
5. What can be inferred about Emily’s role in the conversation?

Luyện tập thêm về bài học này: