T.R. Jain and V.K. Ohri Solutions Class 11 Statistics Economics Chapter 3 - Census and Sample Methods of Collection of Data

T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 3 – Census and Sample Methods of 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 3
Chapter Name Census and Sample Methods of Collection of Data
Number of questions solved 05
Category T.R. Jain and V.K. Ohri

It covers the following concepts:

  • Concepts of census and sample
  • Sample method
  • Systematic sampling
  • Quota sampling
  • Convenience sampling

T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 3 – Census and Sample Methods of Collection of Data

Question 1

Choose the correct answer

i. Reliability of sampling data depends on:

a. Size of sample

b. Method of sampling

c. Training of enumerators

d. All of these

Answer:

d. All of these

ii. For drawing lottery __________ sampling is used.

a. Random

b. Purposive

c. Stratified

d. Quota

Answer:

a. Random

iii. Under the random sampling, each item of the universe has __________ chance of being selected.

a. Equal

b. Unequal

c. Zero

d. None of these

Answer:

a. Equal

Question 2

Pick an appropriate answer and fill in the blank.

a. __________ method is suitable for small size of population. (Census/Sampling)

Answer: Census

b. The sampling method is suitable when the area of investigation is _________. (Small/Large)

Answer: Large

c. The error of _________ arises when the respondents do not offer the required information. (Investigator/Enumerator)

Answer: Investigator

Question 3

State whether the following statements are True or False.

a. The sampling method is comparatively less expensive. (True/False)

Answer: True

b. Census method needs less number of enumerators. (True/False)

Answer: False

c. Sampling errors are related to the size or nature of the sample selected. (True/False)

Answer: True

Question 4

Define quota sampling.

Answer:

In quota sampling, the population is divided into different classes or groups according to different characteristics of the population

Question 5

Define the Universe.

Answer:

In Statistics, universe or population refers to the aggregate of items to study for an investigation.

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