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所在平台: Udemy |
课程主页: https://www.udemy.com/course/statistical-investigation/
课程评论：没有评论
Coursera《统计调查》课程总结 本课程“统计调查”全面介绍了统计调查的各个方面。 **核心组成部分**包括调查者、被调查者和调查员。 **统计调查的主要阶段**涵盖了从前期的规划、安排和组织，到数据的收集、编辑，再到数据的呈现、分析和解释，最终完成调查报告的撰写。 课程详细阐述了**各种类型的统计调查**，例如：普查与抽样调查、直接与间接调查、实验与调查研究、保密与公开调查、原始与重复调查、定期与临时调查、邮寄或个人调查、试点与全面调查，以及政府（官方）、半政府（半官方）或非官方调查，还有广泛性与限制性调查。 **统计单位**被划分为计数单位和分析或解释单位。 课程讲解了**调查表（Questionnaire）与统计表（Schedule）**的区别。 **统计作为一门艺术和一门科学**的特性得到了探讨，并阐述了统计的**特点与重要性**，尤其强调了其在银行、保险、交通、商业、经济学、规划以及国家管理等领域的广泛应用。 此外，课程还涵盖了**统计的范围、局限性以及数据不被信任的根源和方法**。 在**调查方法**上，重点对比了普查和抽样调查的优缺点。 **数据收集**方面，区分了原始数据和二手数据，并介绍了相应的收集方法。 **数据的编辑**过程，包括准确性、近似性和统计误差的分类，以及分类的**对象**。 最后，课程深入讲解了**列表（Tabulation）的目的、频率分布/统计系列的概念以及频率分布的各种类型**。
Introduction of statistical InvestigationComponents of Investigations: Investigator, Respondent, EnumeratorsVarious stages of statistical investigation:Planning/Arrangement/organizationCollection of Data of investigationEditing of dataPresentation of dataAnalysis of dataInterpretation of dataPreparation of investigation reportTypes of statistical investigation:Census or Sampling investigationDirect or indirect investigationExperiment or survey investigationConfidential or open investigationOriginal or repetitive investigationRegular or Ad hoc investigationPostal or personal investigationPilot or Comprehensive investigationGovernment (official) or semi government (semi-official) or unofficial investigationExtensive or limited investigationStatistical Units:(A) Units of Enumeration(B) Units of Analysis or InterpretationSchedule and QuestionnaireDifference between Questionnaire and ScheduleStatistics as an ArtStatistics as an ScienceCharacteristics/Features of statisticsImportance of statistics: (1) Useful to banker (2) Useful to insurance company (3) Useful to transport company (4) Useful to business (5) Useful to economists (6) Useful to planning (7) Useful to stateScope of StatisticsLimitation of statisticsDistrust of StatisticsCauses of distrust in DataMethod of Statistical InvestigationAdvantages and Disadvantages of Census InvestigationSample InvestigationAdvantages and Disadvantages of Sample InvestigationCollection of DataTypes of Data: Primary Data and Secondary DataMethods of collecting Primary data and Secondary DataDifference between primary and secondary dataEditing of Statistical DataProcess of EditingAccuracy, Approximation and Statistical ErrorsClassification: Objects of ClassificationTabulation: Objects of TabulationFrequency Distribution / Statistical SeriesElements of Frequency DistributionKinds of Frequency Distribution
