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Chapters
▶ 2: Collection of Data
3: Organisation of Data
4: Presentation of Data
5: Measures of Central Tendency
6: Measures of Dispersion
7: Correlation
8: Index Numbers
Chapter 9: Use of Statistical Tools
![NCERT solutions for Statistics for Economics [English] chapter 2 - Collection of Data - Shaalaa.com](/images/statistics-for-economics-english_6:098eda7804764399818daa37556a8f8c.jpg "NCERT solutions for Statistics for Economics [English] chapter 2 - Collection of Data")
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Solutions for Chapter 2: Collection of Data
Below listed, you can find solutions for Chapter 2 of CBSE NCERT for Statistics for Economics [English].
NCERT solutions for Statistics for Economics [English] 2 Collection of Data Exercise [Pages 20 - 21]
Frame at least four appropriate multiple-choice options for following question:
Which of the following is the most important when you buy a new dress?
Frame at least four appropriate multiple-choice options for the following question:
How often do you use computers?
Frame at least four appropriate multiple-choice options for the following question:
Which of the following newspapers do you read regularly?
Frame at least four appropriate multiple-choice options for the following question:
Rise in the price of petrol is justified.
Frame at least four appropriate multiple-choice options for the following question:
What is the monthly income of your family?
Frame five two-way questions (with ‘Yes’ or ‘No’).
State whether the following statements are True or False.
There are many sources of data.
True
False
A telephone survey is the most suitable method of collecting data when the population is literate and spread over a large area.
True
False
Data collected by an investigator is called secondary data.
True
False
There is a certain bias involved in the non-random selection of samples.
True
False
Non-sampling errors can be minimized by taking large samples.
True
False
What do you think about the following question? Do you find any problem with this question? Describe.
How far do you live from the closest market?
What do you think about the following question? Do you find any problem with this question? Describe.
If plastic bags are only 5 percent of our garbage, should they be banned?
What do you think about the following question? Do you find any problem with this question? Describe.
Wouldn’t you be opposed to an increase in the price of petrol?
What do you think about the following questions? Do you find any problem with these questions? Describe.
- Do you agree with the use of chemical fertilizers?
- Do you use fertilizers in your fields?
- What is the yield per hectare in your field?
You want to do research on the popularity of Vegetable Atta Noodles among children. Design a suitable questionnaire for collecting this information.
In a village of 200 farms, a study was conducted to find the cropping pattern. Out of the 50 farms surveyed, 50% grew only wheat. What is the population and the sample size?
Give two examples each of sample, population and variable.
Which of the following methods give better results and why?
Census
Sample
Which of the following errors is more serious and why?
Sampling error
Non-Sampling error
Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?
Discuss how you would use the lottery method to select 3 students out of 10 in your class?
Does the lottery method always give you a random sample? Explain.
Explain the procedure of selecting a random sample of 3 students out of 10 in your class, by using random number tables.
Do samples provide better results than surveys? Give reasons for your answer.
Solutions for 2: Collection of Data
NCERT solutions for Statistics for Economics [English] chapter 2 - Collection of Data
Shaalaa.com has the CBSE Mathematics Statistics for Economics [English] CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Statistics for Economics [English] CBSE 2 (Collection of Data) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Statistics for Economics [English] chapter 2 Collection of Data are Collection of Data, Sources of Data - Primary, Sources of Data - Secondary, Concepts of Sampling, How Basic Data is Collected, Methods of Collecting Data, Some Important Sources of Secondary Data, Organisation of Data, Meaning of Variables, Types of Variables, Organisation of Data - Raw Data, Organisation of Data - Frequency Series, Organisation of Data - Frequency Distribution, Tabular Presentation and Diagrammatic Presentation of Data - Geometric Form, Tabular Presentation and Diagrammatic Presentation of Data - Frequency Diagrams, Abular Presentation and Diagrammatic Presentation of Data - Arithmetic Line Graphs, Introduction to Collection of Data, What Are the Sources of Data?, How Do We Collect the Data?, Census and Sample Surveys, Sampling and Non-sampling Errors, Census of India and NSSO, Collection of Data - Conclusion.
Using NCERT Statistics for Economics [English] solutions Collection of Data exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Statistics for Economics [English] students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 2, Collection of Data Statistics for Economics [English] additional questions for Mathematics Statistics for Economics [English] CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.
