﻿ NCERT Solutions CBSE Class 11 Statistics Economics Chapter 1 | Introduction

1. INTRODUCTION
2. STATISTICS IN ECONOMICS
3. WHAT IS STATISTICS?
4. WHAT STATISTICS DOES?
5. CONCLUSION

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Chapter 1- Introduction

Understand Statistics of Economics with Our Course

The statistic is an important part of economics. The applied methods become helpful in understanding, researching and analysing the economics. Hence, the CBSE curriculum includes the complete study in class 11th.

ScoreX™ helps you understand the chapter with the course of the Class11 Statistics Economics Ch-1 Introduction.

What is the format of this chapter course?

In the course of the CBSE class 11 Statistics Economics chapter 1, we make the introduction clear to you by explaining all the topics that are relevant to the chapter.

1. Statistics in economics

In economics, the statistics are applied in the collection of the economic data. This collected data also go through the compilation, dissemination, and analysis under the statistics. The usage of economic data allows an organized approach towards the collection and the evaluation.

2. What is statistics?

In the practice, statistics is known as the method to collect and analyse the numerical data. The large quantities become much easier to calculate and analyse with the help of statistics. The study of the collection of data, organization, presentation, dissemination, and analysis come under the statistics.

3. What statistics does?

The statistics make the economics much easier and efficient. The availability of right tools provided by the statistics helps in the economics in every step. From the collection of the data to the presentation and research, the statistics make the processes extremely easy.

So, if you desire to start your chapter study effectively, then, get the course right now.

1. Q.No 1 - The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

0

1

10

19

1/10
2. Q.No 2 - 17, 14, 14, 11, 11, 8, 8 What comes next?

8,5

5,2

7,7

5,5

None

2/10
3. Q.No 3 - Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

1/3

1/8

2/8

1/16

None

3/10
4. Q.No 4 - The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is

30º

45º

60º

90º

None

4/10
5. Q.No 5 - 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

5/10
6. Q.No 6 - Find the wrong number in the following series. 1250, 1322 , 1452, 1674, 2024 , 2544

1250

1674

2544

2024

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 - 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

8/10
9. Q.No 9 - A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

10/21

11/21

2/7

5/7

None of the above

9/10
10. Q.No 10 - 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 of the above

10/10