Primary data collection involves direct methods like interviews or indirect methods using local correspondents. It provides accurate but costly information.

Presenting to you Class 11 CBSE Best Handwritten Notes of Economics of Chapter 3 – Collection of Data. With the increasing amount of typed material on the ...

CLASS – XI. Subject-Economics. Chapter Name/Number- Collection of. Data, chap-2. 1. These notes are from Chapter 2, Collection of Data ... study conditions of.

The document discusses various methods for collecting data, including primary and secondary sources. It describes different statistical methods.

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1. Collection of data is the first important aspect of statistical survey. 2. Data – Information which can be expressed in numbers. 3. Two sources of data – ...

Study the concepts of data collection, its source, and types in this study material on the collection of data. Share. Collection of data refers to when data is ...

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19 июл. 2023 г. · This article brings complete Revision Notes for CBSE Class 11 Economics Chapter 2, Collection of Data. Use the PDF download link to save the notes for future ...

21 сент. 2018 г. · Download CBSE class 11th revision notes for Chapter 2 Collection of Data class 11 Notes Economics in PDF format for free. Download revision ...