Page 93 - DCOM203_DMGT204_QUANTITATIVE_TECHNIQUES_I

Quantitative Techniques – I

Notes 7. Distinguish between a questionnaire and a schedule. What precautions should be taken in
drafting a questionnaire?
8. Select the correct answer from the following:
In order to collect primary data:

(a) It is necessary for the investigator to have personal contact with the respondents.
(b) It is not necessary for the investigator to have personal contact with the respondents.
(c) The investigator has to mail questionnaires.
(d) The respondents must be educated.
9. Fill in the blanks:
(a) Secondary data are also .......................... data for some other investigation.
(b) Published data are termed as .......................... data.
(c) Primary data are .......................... reliable than secondary data.
(d) The distinction between primary and secondary data is of ......... only.

10. Explain the need for editing of data. What is the difference between editing of primary and
secondary data?
11. Round the following figures to 2 digits:
(a) 25,136 (b) 1.28 (c) 0.057 (d) 0.0085
12. Compute and interpret a useful ratio or percentage from the following:

(i) A company has issued 5,00,000 shares and its earning is 15,00,000.
(ii) Out of 500 workers of a firm only 150 are matriculates.
(iii) The cost of petrol of a company, having 15 cars was 80,000 last year.
(iv) The number of fatal road accidents during last month in a city was 15.
13. Collect data on any company's financial performance from different sources like internet,
newspapers, magazines, etc. Are there any differences between the same? What inferences
do you draw on the objectives of that particular type of media when they are presenting
data.
14. Try and collect as much data as possible from different sources about the health levels of
the people residing in your area. What problems come in while collecting this data?
15. Mount Shivalik Distilleries is a progressive manufacturer of 'Wasp' brand export quality
rum. It follows the modern practices of presentation of data in various board meetings.
The data collected by its finance director over a period of 3 years pertaining to its operations
is shown below. The Finance Director desires that the data should be presented
diagrammatically. Would you please help him in presenting the data.

Industry Employment Avg. Earnings per
on 31-3-2011 employee per year (Rs)
1. Automobile parts manufacturers 4,34,856 56,540
2. Transport for hire 15,26,897 26,348
3. Taxies 11,32,560 42,685
4. Dealers of new and used vehicles 1,09,805 13,684
5. Retail filling stations 22,25,960 15,008
6. Automobile repair garages 12,35,200 12,048
Present the above data using a suitable diagram(s) so as to bring out the finer points.

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