2000 年上海财经大学统计学考研真题
说明∶本考试可使用计算器。
一、(本题 14 分)
什么是"回归"?试叙述相关分析和回归分析的联系和区别。
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二、(本题 16 分)
试叙述简单随机抽样、等距抽样、类型抽样和整群抽样在经济管理中的应用特点。
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三、(本题 20 分)
某公司下属甲、乙两企业近年有关资料如下∶
要求∶从绝对数和相对数两方面分析该公司总的劳动生产率 1998 年比 1997 年增减变动受各
因素的影响程度。
四、(本题 20 分)
指出下列分布中参数所表示的意义,并指出参数的取值范围。
1. 二点分布;
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2. 普哇松分布;
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3. (0,θ)的均匀分布;
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4. 正态分布。
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五(本题 10 分)
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六、(本题 10 分)
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七(本题 10 分)
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