T.R. Jain and V.K. Ohri Solutions for Class 11 Statistics for Economics Chapter 3 – Census and Sample Methods of Data Collection is a crucial topic that students should study thoroughly. T.R. and V.K. Ohri's has been given here Class 11 Solutions.
| 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 |
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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