T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 2 - Collection of Data

T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 2 Collection of Data is regarded as an important concept to be studied thoroughly by the students. Here, we have provided T.R. Jain and V.K. Ohri Solutions for Class 11.

Board CBSE
Class Class 11
Subject Statistics for Economics
Chapter Chapter 2
Chapter Name Collection of Data
Number of questions solved 05
Category T.R. Jain and V.K. Ohri

Chapter 2 – Collection of Data covers the below-mentioned concepts:

  • Primary and Secondary Sources of Collection of data
  • Qualities of good questionnaire
  • Collection of Secondary Data
  • Principal differences between primary and secondary data
  • How basic data is collected?

T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 2 – Collection of Data

Question 1

Choose the correct answer

  1. Schedules are filled by the,
    • Investigator
    • Enumerator
    • Informant
    • None of these

    Answer: Enumerator

  2. Which of the following is a merit of a good questionnaire?
    • Difficulty
    • Less number of questions
    • Not in proper order
    • Invalid questions

    Answer: Less number of questions

  3. Which of the following is a secondary data?
    • Government publication
    • Private publication
    • The report published by the SBI
    • All of these

    Answer: Government publication

Question 2

Pick an appropriate answer and fill in the blank.

  1. ____________ is a person who helps the investigator collecting the data. (Enumerator/Respondent)Answer: Enumerator
  2. In __________, the entire information is recorded by the informants themselves. (questionnaire/schedules)Answer: Questionnaire
  3. Data originally collected in the process of investigation is known as _________ data. (primary/secondary)Answer: Primary

Question 3

State whether the following statements are True or False.

  1. The indirect oral investigation is applied when the field of investigation is limited. (True/False)Answer: False
  2. Primary data involve more time and more expenses. (True/False)Answer: True
  3. Approximation errors occur due to miscalculation. (True/False)Answer: False

Question 4

  1. What are the sources of data?
    Answer: There are 2 sources of data. Namely,

    • Primary Data
    • Secondary Data

Question 5

  1. Name 2 important sources of secondary data.
    Answer: Secondary data has various sources to fetch information. Namely,

    • Government Publications
    • Semi-Government Publications

The above-provided solutions are considered to be the best solutions for Statistics for Economics Class 11 T.R. Jain and V.K. Ohri Solutions for Chapter 2- Collection of Data. Stay tuned to BYJU’S to learn more and score well in the upcoming board examinations.

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