T.R. Jain and V.K. Ohri Solutions Class 11 Statistics 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 following concepts:

  • Primary and secondary sources of collection of data
  • Qualities of a good questionnaire
  • Collection of secondary data
  • Principal differences between primary and secondary data
  • Collection of basic data

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

Question 1

Schedules are filled by the _______ .

a. Investigator

b. Enumerator

c. Informant

d. None of these

Answer:

b. Enumerator

Question 2

Which of the following is a merit of a good questionnaire?

a. Difficulty

b. Less number of questions

c. Improper order

d. Invalid questions

Answer:

b. Less number of questions

Question 3

Which of the following is a secondary data?

a. Government publication

b. Private publication

c. The report published by the SBI

d. All of these

Answer:

a. Government publication

Question 4

Pick an appropriate answer and fill in the blank.

i. ____________ is a person who helps the investigator in collecting the data. (Enumerator/Respondent)

Answer: Enumerator

ii. In __________, the entire information is recorded by the informants themselves. (questionnaires/schedules)

Answer: Questionnaires

iii. Data originally collected in the process of investigation is known as _________ data. (primary/secondary)

Answer: Primary

Question 5

State whether the following statements are true or false.

i. The indirect oral investigation is applied when the field of investigation is limited. (True/False)

Answer: False

ii. Primary data involves more time and expenses. (True/False)

Answer: True

iii. Approximation errors occur due to miscalculation. (True/False)

Answer: False

Question 6

What are the sources of data?

Answer:

There are two sources of data, namely,

  • Primary data
  • Secondary data

Question 7

Name two important sources of secondary data.

Answer:

Secondary data has various sources to fetch information, namely,

  • Government publications
  • Semi-government publications

The mentioned 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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