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Module 2Module 2Types, Sources and Collection of DataTypes, Sources and Collection of Data

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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 Types, Sources And Collection Of Data

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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 Types of Data

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Nominal, Ordinal, Interval and Ratio Data Nominal, Ordinal, Interval and Ratio Data

There are four levels or types of measurement scales– Nominal– Ordinal– Interval– Ratio

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Crossectional, Temporal and Spatial 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.

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Important attributes that are considered Important attributes that are considered desirable in a questionnaire 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

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Important attributes that are considered Important attributes that are considered desirable in a questionnaire 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

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Important characteristics of a survey 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

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Important characteristics of a survey 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.

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Some of the Important WebsitesSome of the Important WebsitesName 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.comData and Statistical

Services(Paid Service)

The Oecd's Online Library http://caliban.sourceoecd.orgStatistical Databases, Books

and Periodicals

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Some of the Important WebsitesSome of the Important Websites

Name Site Address Description

Nationmaste http://www.nationmaster.com/index.phpSources as the CIA World

Fact book

India Stat www.indiastat.comStatistical data and useful

information on India

Federation Of Indian Chambers Of Commerce And

Industoryhttp://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

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Some of the Important WebsitesSome of the Important WebsitesName 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.comInternational market

intelligence on industries, countries and consumers

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Some of the Important WebsitesSome 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.comRESEARCH

DATABASES (paid)

Confederation of Indian Industry

http://www.ciionline.org/Business data,

cases ,publications

ECCH www.ecch.comCase study database

(paid)

National Informatics Centre, India

http://www.nic.in Indian data