NCERT Solutions for Class 11 Statistics Statistics For Economics Chapter 2 Collection Of Data

Collection Of Data Here is the CBSE Statistics Chapter 2 for Class 11 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 11 Statistics Collection Of Data Chapter 2 NCERT Solutions for Class 11 Statistics Collection Of Data Chapter 2 The following is a summary in Hindi and English for the academic year 2025-26. You can save these solutions to your computer or use the Class 11 Statistics.

Question 1

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What are the principal sources of data ?

Solution

Principal sources of data are :
(1) Primary sources and
(2) Secondary sources. less expenses.

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NCERT Solutions for Class 11 Statistics Statistics For Economics Chapter 2 Collection Of Data

What are the principal sources of data ?

What type of data involves less time and less expenses ?

Define primary data.

Define secondary data.

An investigator has collected the required information by personal interview with the informant. What type of data will it be called ?

An investigator has collected the required information by personal interview with the informant. What type of data will it be called ?

What will be the kind of data published by the Railway Department regarding the progress of railways for an investigator ?

What kind of data are contained in the census of population and national income estimate, for the government ?

In order to know the likings and dislikings of the listeners of the programmes broadcast by the Himachal Akashvani the latter is keen to collect data, which method of collecting data will be suitable for it ?

Name two important sources of secondary data.

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