【多选题】【消耗次数:1】
用抽样指标估计总体指标,所谓优良估计的标准有
客观性
无偏性
一致性
有效性
优良性
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相关题目
【判断题】 抽样估计的优良标准有三个:无偏性、可靠性和一致性。
①  正确
②  错误
【判断题】 抽样估计的优良标准有三个: 无偏性、可靠性和一致性。
①  正确
②  错误
【单选题】 以抽样指标估计总体指标要求抽样指标值的平均数等于被估计的总体指标本身,这一标准称为
①  无偏性
②  一致性
③  有效性
④  准确性
【多选题】 抽样估计的优良标准主要有?
①  无偏性
②  一致性
③  可靠性
④  有效性
⑤  及时性
【单选题】 点估计的优良标准是?
①  无偏性、数量性、一致性
②  无偏性、有效性、数量性
③  有效性、一致性、无偏性
④  及时性、有效性、无偏性
【单选题】 测验的客观性包括以下方面:测验刺激的客观性;量化的客观性;( )。
①  检验的客观性
②  数据的客观性
③  分析的客观性
④  推论的客观性
【单选题】 随着样本单位数增大,样本统计量也趋于接近总体参数,成为抽样推断优良估计的
①  无偏性
②  一致性
③  有效性
④  均匀性
【判断题】 用于需求分析的软件工具,应该能够保证需求的正确性,即验证需求的一致性、完整 性、现实性和有效性。
①  正确
②  错误
【单选题】 相对而言,用样本指标去推断相应的全及指标,点估计的可靠性比区间估计的
① 
② 
③  基本相同
④  时高时低
【单选题】 检验测量结果稳定性和一致性程度的指标被称为( )
①  信度
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③  误差
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【单选题】 I can be a teacher. I’m not a very patient person.
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【单选题】 I remember _______ you the story last night.
①  telling
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【单选题】 Good morning, Dr Johnson’s office. Can I help you?
①  Speaking, please
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①  as well as
②  as soon as
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