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Prabhakar Bhattacharya
Prabhakar Bhattacharya

The document discusses different types of data including primary and secondary data, and nominal, ordinal, interval, and ratio data. It also discusses different methods of data collection including census, sampling, surveys, and questionnaires. Some key sources of secondary data mentioned include publications, the internet, and government websites.

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Module 2 Types, Sources and Collection of Data
Types of Data Primary and Secondary Nominal, Ordinal, Interval and Ratio Numerical and Categorical Crossectional and Temporal Collection of Primary Data Census vs. Sampling Designing of a Questionnaire Conducting a Survey Sources of Secondary Data Publications Internet Provisional vs. Actual data Types, Sources And Collection Of Data
Primary and Secondary Qualitative / Categorical and Quantitative / Numerical Nominal, Ordinal, Interval and Ratio Discrete Nominal and Ordinal Continuous Interval and Ratio Crossectional, Temporal and Spatial Types of Data
Nominal, Ordinal, Interval and Ratio Data There are four levels or types of measurement scales Nominal Ordinal Interval Ratio
Crossectional, Temporal and Spatial Crossectional data comprises of values of a variable recorded over at the same point or period of time for many individuals, organizations, places, etc. Temporal data, also referred to as time series data, is the data about an individual organization, place, etc. over a period of time. Spatial data is the data based on geographical location basis. The crossectional data with respect to places is also categorized as spatial data.
Important attributes that are considered desirable in a questionnaire The objective is well defined and duly incorporated in the questionnaire The number and type of questions are sufficient to fulfill the objective The questions are well structured and self explanatory
Important attributes that are considered desirable in a questionnaire The questions to be exhaustive, i.e. include all possible options The questions to avoid seeking information considered sensitive by the respondent The sequencing of questions to arouse and sustain interest of the respondent
Important characteristics of a survey The population about which some conclusion is to be drawn is well defined The sample is selected randomly without any bias or prejudice. The sample is true representative of the population
Important characteristics of a survey The sample size is large enough to be consistent with the specified objective and tolerance for error The type of sampling design and questionnaire are consistent with the objective of the survey Survey personnel are well motivated and trained.
Some of the Important Websites Name Site Address Description Reserve Bank of India www.rbi.org.in Economic Data , Banking Data Securities Exchange Board of India www.sebi.gov.in Data Bombay Stock Exchange www.bseindia.com Data National Stock Exchange www.nseindia.com Data Finance Ministry www.finmin.nic.in Data/ Publications Glossary of Statistics* www.wikipedia.com Definitions and Brief detais* Princeton University www.dss.princeton.edu Data and Statistical Services Statistics Help Us statsdirect.com Data and Statistical Services(Paid Service) The Oecd's Online Library http:// caliban.sourceoecd.org Statistical Databases, Books and Periodicals
Some of the Important Websites Name Site Address Description Nationmaste http:// www.nationmaster.com/index.php Sources as the CIA World Fact book India Stat www.indiastat.com Statistical data and useful information on India Federation Of Indian Chambers Of Commerce And Industory http:// www.ficci.com Commerce and Economic data Iassist iassistdata.org Indian Publications Bepress www.bepress.com Electronic journals (paid site) International Telecommunication Union http:// www.itu.int / publications and cases studies World Bank www.worldbank.org Data
Some of the Important Websites Name Site Address Description World Health Organisation Health topics - www.who.int/topics/en/ Countries - www.who.int/countries/en/ About WHO - www.who.int/about/en/ Publications - www.who.int/publications/en/ Data ISI (Indian Statistical Institute) www.isical.ac.in/~library/ Web library Telecom Regulatory Authority Of India http:// www.trai.gov.in Data on telephone network Centre For Monitoring Indian Economy Industry Analysis Service - www.cmie.com/.../industry-analysis-service.htm Economic Intelligence Service - www.cmie.com/database/?service=database-p... Products - www.cmie.com/database/?service=database-products.htm Euro monitor Euromonitor.com International market intelligence on industries, countries and consumers
Some of the Important Websites Name Site Address Description India Info line http:// www.indiainfoline.com / Information of stocks and other financial services Ebsco http:// web.ebscohost.com RESEARCH DATABASES (paid) Confederation of Indian Industry http://www.ciionline.org/ Business data, cases ,publications ECCH www.ecch.com Case study database (paid) National Informatics Centre, India http:// www.nic.in Indian data

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Module2

  • 1. Module 2 Types, Sources and Collection of Data
  • 2. Types of Data Primary and Secondary Nominal, Ordinal, Interval and Ratio Numerical and Categorical Crossectional and Temporal Collection of Primary Data Census vs. Sampling Designing of a Questionnaire Conducting a Survey Sources of Secondary Data Publications Internet Provisional vs. Actual data Types, Sources And Collection Of Data
  • 3. Primary and Secondary Qualitative / Categorical and Quantitative / Numerical Nominal, Ordinal, Interval and Ratio Discrete Nominal and Ordinal Continuous Interval and Ratio Crossectional, Temporal and Spatial Types of Data
  • 4. Nominal, Ordinal, Interval and Ratio Data There are four levels or types of measurement scales Nominal Ordinal Interval Ratio
  • 5. Crossectional, Temporal and Spatial Crossectional data comprises of values of a variable recorded over at the same point or period of time for many individuals, organizations, places, etc. Temporal data, also referred to as time series data, is the data about an individual organization, place, etc. over a period of time. Spatial data is the data based on geographical location basis. The crossectional data with respect to places is also categorized as spatial data.
  • 6. Important attributes that are considered desirable in a questionnaire The objective is well defined and duly incorporated in the questionnaire The number and type of questions are sufficient to fulfill the objective The questions are well structured and self explanatory
  • 7. Important attributes that are considered desirable in a questionnaire The questions to be exhaustive, i.e. include all possible options The questions to avoid seeking information considered sensitive by the respondent The sequencing of questions to arouse and sustain interest of the respondent
  • 8. Important characteristics of a survey The population about which some conclusion is to be drawn is well defined The sample is selected randomly without any bias or prejudice. The sample is true representative of the population
  • 9. Important characteristics of a survey The sample size is large enough to be consistent with the specified objective and tolerance for error The type of sampling design and questionnaire are consistent with the objective of the survey Survey personnel are well motivated and trained.
  • 10. Some of the Important Websites Name Site Address Description Reserve Bank of India www.rbi.org.in Economic Data , Banking Data Securities Exchange Board of India www.sebi.gov.in Data Bombay Stock Exchange www.bseindia.com Data National Stock Exchange www.nseindia.com Data Finance Ministry www.finmin.nic.in Data/ Publications Glossary of Statistics* www.wikipedia.com Definitions and Brief detais* Princeton University www.dss.princeton.edu Data and Statistical Services Statistics Help Us statsdirect.com Data and Statistical Services(Paid Service) The Oecd's Online Library http:// caliban.sourceoecd.org Statistical Databases, Books and Periodicals
  • 11. Some of the Important Websites Name Site Address Description Nationmaste http:// www.nationmaster.com/index.php Sources as the CIA World Fact book India Stat www.indiastat.com Statistical data and useful information on India Federation Of Indian Chambers Of Commerce And Industory http:// www.ficci.com Commerce and Economic data Iassist iassistdata.org Indian Publications Bepress www.bepress.com Electronic journals (paid site) International Telecommunication Union http:// www.itu.int / publications and cases studies World Bank www.worldbank.org Data
  • 12. Some of the Important Websites Name Site Address Description World Health Organisation Health topics - www.who.int/topics/en/ Countries - www.who.int/countries/en/ About WHO - www.who.int/about/en/ Publications - www.who.int/publications/en/ Data ISI (Indian Statistical Institute) www.isical.ac.in/~library/ Web library Telecom Regulatory Authority Of India http:// www.trai.gov.in Data on telephone network Centre For Monitoring Indian Economy Industry Analysis Service - www.cmie.com/.../industry-analysis-service.htm Economic Intelligence Service - www.cmie.com/database/?service=database-p... Products - www.cmie.com/database/?service=database-products.htm Euro monitor Euromonitor.com International market intelligence on industries, countries and consumers
  • 13. Some of the Important Websites Name Site Address Description India Info line http:// www.indiainfoline.com / Information of stocks and other financial services Ebsco http:// web.ebscohost.com RESEARCH DATABASES (paid) Confederation of Indian Industry http://www.ciionline.org/ Business data, cases ,publications ECCH www.ecch.com Case study database (paid) National Informatics Centre, India http:// www.nic.in Indian data