# 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 â€“ 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

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

b. Less number of questions

Question 3

Which of the following is a secondary data?

a. Government publication

b. Private publication

d. All of these

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)

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

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

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)

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

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

Question 6

What are the sourcesÂ of data?

There are two sources of data, namely,

• Primary data
• Secondary data

Question 7

Name two important sources of secondary data.

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 BYJUâ€™S to learn more and score well in the upcoming board examinations.

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