第5题: [单项选择]正态分布是以() A. t值为中心的频数分布 B. 参数为中心的频数分布 C. 变量为中心的频数分布 D. 观察例数为中心的频数分布 E. 均数为中心的频数分布 参考答案:E
第6题: [单项选择]{{B}}Questions 11 to 18 are based on the passage you have just heard.{{/B}} A. It is closed. B. 12 noon to 9 P.M. C. C.9 M to 5 P.M. D. D.9 M to 12 noon. 参考答案:D 答案解析:[听力原文]
M: I hope that the bank will be open.
W: The sign says: nine A. M. to five P.M. weekdays, n