题目内容

简述统计分析在社会研究中的必要性。

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某博物院发出公告,提醒参观者不得穿着拖鞋进入博物院参观。其理由是拖鞋的鞋底无法附着于足跟,从而会发出声响,影响其他人的参观品质;甚至滑倒而受伤,对自身造成伤害。 下列各项最能支持博物院做法的是______。

A. 曾经有很多参观者留言抗议拖鞋发出巨大声音
B. 博物院的地板并不是光滑的,而且经常清洁
C. 政府发布“博物院参观行为规范”,规定不得穿拖鞋进馆
D. 穿拖鞋是当地居民的生活习惯

下列选项中相关分析和回归分析的关系表述正确的有______

A. 相关是回归的必要条件
B. 有相关关系未必有回归关系
C. 无相关关系必无回归关系
D. 有回归关系未必有相关关系
E. 无回归关系必无相关关系

Questions 9 to 12 are based on the conversation you have just heard.

A. He is a teacher at Cambridge.
B. He is a teacher at Oxford.
C. He is a student at Cambridge.
D. He is a student at Oxford.

Questions 16 to 18 are based on the passage you have just heard.

A. Children who had not spoken before age 2.
B. Children who did not use phrases before 18 months.
Children who had not spoken before 18 months.
D. Children who did not use phrases before age 3.

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