NCERT Solutions for Class 11 Economics Statistics for Economics Chapter 2

Collection of Data Class 11

Chapter 2 Collection of Data Exercise Solutions

<< Previous Chapter 1 : Introduction Next Chapter 3 : Organisation of Data >>

Exercise : Solutions of Questions on Page Number : 20

Q1 :  

Which of the following is the most important when you buy a new dress?


Answer :

Which of the following is the most important when you buy a new dress?

a. Colour

b. Brand

c. Price

d. Size

Answer needs Correction? Click Here

Q2 :  

How often do you use computers?


Answer :

How often do you use computers?

a. Less than 1 hour a day

b. 1 to 3 hours a day

c. 3 to 5 hours a day

d. More than 5 hours

Answer needs Correction? Click Here

Q3 :  

Which of the following newspaper/s do you read regularly?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q4 :  

Rise in the price of petrol is justified.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q5 :  

What is the monthly income of your family?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q6 :  

Frame five two-way questions (with 'Yes' or 'No').


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q7 :  

There are many sources of data (true/false).


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q8 :  

Telephone survey is the most suitable method of collecting data, when the population is literate and spread over a large area (true/false).


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q9 :  

Data collected by investigator is called the secondary data (true/false).


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q10 :  

There is a certain bias involved in the non-random selection of samples (true/false).


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q11 :  

Non-sampling errors can be minimised by taking large samples (true/ false).


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q12 :  

How far do you live from the closest market?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q13 :  

If plastic bags are only 5 percent of our garbage, should it be banned?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q14 :  

Wouldn't you be opposed to increase in price of petrol?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q15 :  

(a) Do you agree with the use of chemical fertilisers?

(b) Do you use fertilisers in your fields?

(c) What is the yield per hectare in your field?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q16 :  

You want to research on the popularity of Vegetable Atta Noodles among children. Design a suitable questionnaire for collecting this information.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q17 :  

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. Identify the population and the sample here.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q18 :  

Give two examples each of sample, population and variable.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q19 :  

Which of the following methods give better results and why?

(a)

Census

(b)

Sample


 


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q20 :  

Which of the following errors is more serious and why?

(a)

Sampling error

(b)

Non-Sampling error


 


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q21 :  

Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q22 :  

Discuss how you would use the lottery method to select 3 students out of 10 in your class?


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q23 :  

Does the lottery method always give you a random sample? Explain.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q24 :  

Explain the procedure of selecting a random sample of 3 students out of 10 in your class, by using random number tables.


Answer :

Please Register/Login to get access to all solutions Facebook Login
Q25 :  

Do samples provide better results than surveys? Give reasons for your answer.


Answer :

Please Register/Login to get access to all solutions Facebook Login
<< Previous Chapter 1 : Introduction Next Chapter 3 : Organisation of Data >>

Statistics for Economics - Economics : CBSE NCERT Exercise Solutions for Class 11th for Collection of Data will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

Popular Articles