Write any three economic activities.


1. Banking, 2. Insurance and 3. Trade.

374 Views

Write down the essential qualities of a good questionnaire.


Essentials of a good questionnaire:Following are the essentials of a good questionnaire:

1. Limited number of questions:The number of questions should be limited as far as possible. Normally fifteen to twenty questions are sufficient enough for making the required enquiry.

2. Simplicity:The language of the questions should be simple and easily understandable. It should be clear and not vague. It should not convey two meanings.

3. Logically arranged:The questions should be arranged logically. Ther should be a proper sequence of the questions.

4. Related to the points:Questions should be related to the point. They should not be irrelevant.

5. Avoiding personal questions:Personal questions should be avoided as far as possible. For example, questions about income, volume of sales etc. should not be asked.

295 Views

From the following information, tell us which type of air conditioner you will prefer to buy and why? (Find out with the help of arithmetic mean).

Consumers Awareness about air-conditioners

(in percentage)

Awareness

Name of the Companies

Videocon

National

Samsung

L.G.

Voltas

Others

Brand

14

10

20

18

8

9

Price

25

5

12

28

19

5

After sale service

18

6

17

21

12

8

Technology

22

8

12

17

14

10


Calculation of Arithmetic Mean:

Consumer Awareness about air-conditioners

Awareness

Name of the Companies

Videocon

National

Samsung

L.G.

Voltas

Others

Brand

24

10

20

18

8

9

Price

25

5

12

28

9

5

After sale service

18

6

17

21

12

8

Technology

22

8

12

17

14

10

ΣX

89

29

61

84

43

32


Calculation of Arithmetic Mean:
Consumer Awareness about air-conditio

22.25%

7.25%

15.25%

21%

10.75%

8.50%



Considering brand, price, after sale service and technology, the average percentage of Videocon air-conditioners is the highest at 22.5% and hence the consumer will prefer to buy Videocon air conditioners.
123 Views

Show the following data with the help of a bar-diagram. Through which media do the people know about the product?


Median Influence

Advertisement

Families influenced

Television

47

Newspaper

30

Magazines

20

Cinema

25

Sales representative

15

Exhibits - Stall

10

Radio

18

Observation : Majority of people came to know about the product either through television or through newspaper.


Median Influence

Advertisement


Families influenced


Television
70 Views

Advertisement

Differentiate between Primary Data and Secondary Data.


Differences between Primary Data and Secondary Data:

Basis of Difference

Primary Data

Secondary Data

1. Definition

1. They are collected for the first time.

1. They have already been collected by some other persons.

2. Accuracy

2. They are accurate.

2. They lack accuracy.

3. Nature of Data

3. They are in the form of raw data to which statistical methods are applied.

3. They are in the form of finished products.

4. Editing

4. They do not require editing.

4. They require editing.

5. Time and money

5. Collection of primary data requires a lot of time and money.

5. They dp not require a lot of time and money.

6. Precaution

6. Precaution is not required in the use of primary data.

6. Precautions are required in the use of secondary data.

397 Views

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