Overview

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

Skills

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