﻿ NCERT Solutions CBSE Class 11 Statistics Economics Chapter 2 | Collection Of Data

1. INTRODUCTION
2. WHAT ARE THE SOURCES OF DATA?
3. HOW DO WE COLLECT THE DATA?
1. Preparation of Instrument
2. Mode of Data Collection
3. Pilot Survey
4. CENSUS AND SAMPLE SURVEYS
1. Census or Complete Enumeration
2. Sample Survey
3. Random Sampling
4. Non-Random Sampling
5. SAMPLING AND NON-SAMPLING ERRORS
1. Sampling Errors
2. Non-Sampling Errors
6. CENSUS OF INDIA AND NSSO
7. CONCLUSION

# Rs. 944

* Inclusive of all taxes

• ### Enroll Now & Experience SCOREX

Chapter 2- Collection of Data

Comprehensive Study of the Chapter Collection of Data!

The collection of data is an important process of the economic study. The CBSE curriculum in class 11th helps the students learn the tricks and methods of the collection of data. The students are supposed to learn various aspects of the topic.

ScoreX™ provides you a complete course of the Class11 Statistics Economics Ch-2 Collection of Data.

What is the format of this chapter course?

In the course of the CBSE class 11 Statistics Economics Chapter 2, you can find all the topics covered:

1. What are the sources of data?

The sources of the data include all the methods such as experiments, surveys, and others. The sources of the data become helpful in the economic study.

2. How Do We Collect The Data?

The collection of the data includes different steps. The gathering process includes measuring the information, checking the variables and establishing a systematic way of the data collection.

·     Preparation of Instrument

·     Mode of Data Collection

·     Pilot Survey

3. Census and Sample Surveys

A census is the collection of all the information related to each and every member of the population. The survey includes the collection of data related to a particular activity of the population.

·     Census or Complete Enumeration

·     Sample Survey

·     Random Sampling

·     Non-Random Sampling

4. Sampling and Non-Sampling Errors

The errors also occur in the data collection. You learn about:

·     Sampling Errors

·     Non-Sampling Errors

5. Census of India and NSSO

The census of India is explained for better understanding of the economy.

Get the course now to start learning.

1. Q.No 1 - 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75 Look at series carefully and find the wrong number

1222

312

90

614

None of the above

1/10
2. Q.No 2 - Look carefully for the pattern, and then choose which pair of numbers comes next 42, 40, 38, 35, 33, 31, 28

25, 22

26,23

26, 24

26,22

None

2/10
3. Q.No 3 - Find the wrong number in the following series. 1250, 1322 , 1452, 1674, 2024 , 2544

1250

1674

2544

2024

None

3/10
4. Q.No 4 - A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

650

690

698

700

None

4/10
5. Q.No 5 - 22, 42, 64, 88, ?

114

112

116

110

None

5/10
6. Q.No 6 - 17, 14, 14, 11, 11, 8, 8 What comes next?

8,5

5,2

7,7

5,5

None

6/10
7. Q.No 7 - In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

6.25

6.5

6.75

7

None

7/10
8. Q.No 8 - During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year

None

8/10
9. Q.No 9 - A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

12 days

15 days

16 days

18 days

None

9/10
10. Q.No 10 - Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

7

10

12

13

None

10/10