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Use of Statistical Tools
On the basis of the following information find out which types of air-conditioners are preferred by the people. Bases of preference are (i) Brand, (ii) Price, (iii) After sales service, and (iv) Technology.
Table
(in percentage)
|
Awareness |
Name of the Company |
||||
|
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 |
14 |
From the table we observe that a high percentage of customers prefer to buy air-conditioners according to:
1. Brand : Videocon or Samsung. 2. Price : LG or Videocon
3. After sale service : LG or Videocon 4. Technology : Videocon or LG.
Ans. From the table we observe that a high percentage of customers prefer to buy air-conditioners according to :
1. Brand : Videocon or Samsung. 2. Price : LG or Videocon
3. After sale service : LG or Videocon 4. Technology : Videocon or LG.
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What are primary data?
What methods can be adopted for collecting primary data. Name these methods.
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What are secondary data?
Write down the sources of secondary data.
When are secondary sources of data usually used?
What precautions should be taken while using secondary data?
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